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    Antenna ElectronicCommunication Systems

    FCRG-6Series Repeater

    File Doc. No. Date Ver. Page

    FFCCRRGG66GSM 900/1800 MHz Frequency Converter Repeater

    ( Dual Channel )

    IINNSSTTAALLLLAATTIIOONNAANNDDOOPPEERRAATTIIOONNMMAANNUUAALL

    5700 9002 920 / 5700 9102 920 VERSION 2.0 26th December 2003

    Proprietary Information

    The information contained herein is proprietary to Shyam Telecom Limited. Use

    or disclosure of this document or the information contained herein, for any purposeother than that for which it was furnished is not permitted or it shall not be disclosed

    or divulged to any third Party without the prior written consent of Shyam Telecom

    Limited.

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    Mktg. Office:

    SHYAM Telecom Ltd.C-138, Naraina Industrial Area, Phase-I, New Delhi-110028 (INDIA)Tel: 91 11 2579 8544 Fax: 91 11 2579 0726 Email: [email protected]

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    Contents

    Abbreviations........................................................................................................5

    PREAMBLE .......................................................................................................... 7About the manual..................................................................................................7Important Safety Information................................................................................. 8SECTION 1..............................................................................................................91.0 Introduction .............................................................................................. 91.1 Intended purpose..................................................................................... 91.2 About FCRG-6 ......................................................................................... 91.3 Contents of delivery: ................................................................................ 91.4 Functional description ............................................................................ 10a. DONOR ANTENNA................................................................................ 11

    b. DUPLEXER (DOWN-LINK).................................................................... 11c. LOW NOISE AMPLIFER: LNA............................................................... 12d. CONVERTER MODULE........................................................................ 12e. POWER AMPLIFIER.............................................................................. 13f. DUPLEXER (UP-LINK) .......................................................................... 13g. SERVER ANTENNA.............................................................................. 13h. POWER SUPPLY .................................................................................. 141.4.1 Mother Board ......................................................................................... 141.4.2 Gain setting............................................................................................ 151.4.2.1 Forward Gain Setting (Downlink Path).................................................. 151.4.2.2 Reverse Gain Setting............................................................................ 18

    1.4.3 ALC.......................................................................................................181.4.4 Controller module (Supervisory) ........................................................... 181.4.5 RSSI module......................................................................................... 191.4.6 Output power measurement.................................................................. 191.4.7 Internal Backup Battery (required for GSM module only)...................... 191.5 Electrical specification........................................................................... 201.5.1 Electrical Data....................................................................................... 201.5.2 External electrical interfaces ................................................................. 211.5.2.1 Electrical power..................................................................................... 211.5.2.2 RF connections..................................................................................... 21

    1.6 Environment and safety ........................................................................ 221.7 Dimensions and weight ......................................................................... 22

    SECTION 2............................................................................................................232.0 Installation.............................................................................................. 232.1 Pre-installation Considerations .............................................................. 232.2 Installation Tools .................................................................................... 242.3 Installation Procedure ............................................................................ 242.3.1 Mechanical installation........................................................................... 242.3.2 Electrical installation .............................................................................. 262.3.2.1 Grounding .............................................................................................. 26

    2.3.2.2 Power connection .................................................................................. 262.3.2.3 Connection of the antenna cables.......................................................... 27

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    SECTION 3............................................................................................................283.0 Setting to work ....................................................................................... 283.1 Preparation ............................................................................................283.2 Local Internal Mode (Manual setting)..................................................... 28

    3.3 Repeater setting using RS-232 serial interface...................................... 293.3.1 Local Control via RS232 interface cable ................................................ 323.3.2 Remote control via GSM modem........................................................... 333.3.3 Configuring Repeater Parameters ......................................................... 373.3.3.1 LINK BUDGET CALCULATOR.............................................................. 373.3.3.2 REPEATER PARAMETERS.................................................................. 403.3.4 Monitoring Repeater Alarms & Status.................................................... 433.3.5 Changing Log On Password .................................................................. 463.3.6 Installing Shyam Repeater Configuration & Monitoring Console............ 47

    SECTION 4............................................................................................................50

    4.0 Trouble shooting ..................................................................................... 50

    SECTION 5............................................................................................................525.0 Maintenance ...........................................................................................525.1 General ................................................................................................... 525.2 Replacement of the fuses ....................................................................... 525.3 Replacement of the mains cable............................................................. 525.4 Replacement of the controller battery back up........................................ 535.5 Modem Module (optional) ....................................................................... 535.6 Power Supply.......................................................................................... 535.7 Module list.............................................................................................. 545.7.1 MASTER UNIT........................................................................................ 545.7.2 REMOTE UNIT ....................................................................................... 555.8 Configuration List .................................................................................... 56

    SECTION 6............................................................................................................576.0 Channel / Frequency table...................................................................... 576.1 900 Mhz GSM......................................................................................... 586.2 1800 Mhz GSM....................................................................................... 59

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    Figure Index

    Figure 1.4-1: Block diagram of FCRG6 (Remote) - 900 / 1800 system............. 10Figure 1.4-2: Block diagram of FCRG6 (Master) - 900 / 1800 system .............. 10Figure 1.4-3 : Donor Antenna ............................................................................ 11

    Figure 1.4-4 : Duplexer...................................................................................... 11Figure 1.4-5 : Low Noise Amplifier..................................................................... 12Figure 1.4-6 : Converter Module ........................................................................ 12Figure 1.4-7 : Power Amplifier........................................................................... 13Figure 1.4-8 : Server Antenna............................................................................ 13Figure 1.4-9 : Power Supply .............................................................................. 14Figure 1.4.1-1 : Mother Board............................................................................ 14Figure 1.4.2.1-1 : Display panel ......................................................................... 15Figure 1.4.4-1 : Monitoring and controller module............................................. 18Figure 1.5.2.2-1 : Bottom Connector panel layout.............................................. 21

    Figure 2.0-1 : Repeater system description ....................................................... 23Figure 2.3.1-1 : FCRG 6 repeater installation drawing....................................... 25Figure 2.3.2.1-1 : Grounding kit ........................................................................ 26Figure 3.3.2-1 : SIM card mounting................................................................... 34Figure 5.5-1 : Modem Module............................................................................ 53

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    Abbreviations

    Abbreviations, which can be found in this manual, in the software, and in the

    repeater.

    1. AGC Automatic Gain Control

    2. ALC Automatic Level Control

    3. ALI Alarm Interface Board

    4. APC Automatic Power Control

    5. BCCH Broadcast Control Channel (GSM broadcast channel time

    slot)

    6. BS Base Station,

    7. BCM Band Converter Module for uplink or downlink band (band

    selective)

    8. BSEL Band Selective

    9. CDMA Code Division Multiple Access

    10. CCM Channel Converter Module for uplink or downlink channel

    (channel selective)

    11. CGI Cell Global Identity number (Cell Identity Number of theserving cell

    12. CMB Combiner Unit

    13. CSEL Channel Selective

    14. CM Controller Module

    15. CW Continuous Wave

    16. DC Directional Coupler

    17. DCS Digital Communication System (same as PCN)

    18. DIA Distribution board

    19. DL Downlink signal direction (from base station via repeater to

    mobile station)

    20. DPX Duplex filter

    21. EEPROM Electrical Erasable Programmable Read only Memory

    22. EGSM Extended Global System for Mobile communication

    23. ETSI European Telecommunications Standard Institute

    24. GSM Global System for Mobile communication

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    25. HW Hardware

    26. LAC Location Area Code of the BTS site

    27. LED Light Emitting Diode

    28. LNA Low Noise Amplifier, unlink and downlink29. LO Local Oscillator

    30. MCC Mobile Country code of the network

    31. MNC Mobile Network Code of the operator

    32. MS Mobile Station

    33. MSC Mobile Switching Center

    34. NMS Network Management System

    35. NMT Nordic Mobile Telephone system

    36. FWD PA Power Amplifier Module for downlink

    37. REV PA Power Amplifier Module for Uplink

    38. PCN Personal Communication Network (same as DCS)

    39. PCS Personal Communication System

    40. PSU Power Supply Unit

    41. PTEE Poly tetra fluro Ethylene (Teflon)

    42. RCU Remote Control Unit

    43. RF Radio Frequency

    44. RMS Repeaters Management system

    45. RSSI Received Signal Strength Indication

    46. RTC Real Time Clock

    47. SW Software

    48. TA Timing Advance

    49. TACS Total Access Communication System50. TDMA Time Division Multiple Access

    51. TS Time Slot

    52. UL Uplink signal direction (from mobile station via repeater to

    base station)

    53. RCMC Repeater Configuration & Monitoring Console

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    Antenna ElectronicCommunication Systems

    PREAMBLE

    In cellular systems repeaters are used, to enhance the coverage of a base stationin a region where, due to topological conditions, poor field strengths disablecommunication. SHYAM is a leading manufacturer of repeaters. These repeaters

    provide excellent electrical characteristics, are lightweight and easy to install.

    Any intervention has to be performed by authorized persons only. If you needtechnical assistance, please contact at the following address:

    SHYAM Telecom Ltd.C-138, Naraina Industrial Area, Phase-I, New Delhi-110028 (INDIA)

    Tel: 91 11 2579 8544 Fax: 91 11 2579 0726 Email:[email protected]

    Under consideration of all references given in this manual, the repeater should betaken into service without any complications and should operate trouble free for along time.

    However we have country wide after sales support network to assist you ifrequired.

    Please visit to our web site www.shyamtelecom.comfor our country wide aftersales support offices.

    About the manual

    The Installation and Operation manual is intended to be used for SHYAMFCRG-6 repeater installation. It contains the general guidelines for the fieldengineers / technicians. Read carefully before starting the FCRG-6 repeaterinstallation.

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    Important Safety Information

    The FCRG-6 repeater has been designed for maximum safety when installed andoperated according to the instructions in this manual. Refer to all safetyinstructions as per the antenna installation instruction sheets.

    Do not bypass any of the safety features with the equipment provided, noroperate the system in an inappropriate environment.

    WARNING!Installation of antennas near power lines is dangerous. For your

    safety, follow all installation directions and keep safe distance from any

    high voltage power lines that could result in shock or loss of li fe.

    WARNING!Handle the FCRG-6 with care. Mechanical shock due to drop ormishandling can permanently damage sensitive RF components.

    Additional wiring required to install the FCRG-6 system should comply withnational or local governing Electrical Codes. Indoor and outdoor RF coaxial cableinstallations should comply with local Electrical Code requirements. The FCRG-6repeater should only be installed in restricted access areas.

    Do discharge the static before you touch the connectors of the repeater.

    Do not open the module inside the repeater unless you are authorized.

    The power supply unit in the FCRG-6 repeater is supplied from the mains(primary AC power) that contains dangerous voltage level which will causeelectric shock, Please turn off the mains before you install / uninstall the repeater.

    The primary AC power should be in the range of AC90-240V, 50/60Hz. Repeaterwill be damaged if the primary AC power is out of the range.

    The RF electric performance of the FCRG-6 GSM / DCS repeater conformsto ETSI requirement of the inter modulation and spurious emission. Itavoids the interference problem.

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    SECTION 1

    1.0 Introduction

    1.1 Intended purpose

    Mobile phone systems are planned as cellular systems. Each cell of the basestation has to cover a certain geographical area with the signal within definedpower levels. Due to the physics of radio propagation, even using high radiatedpowers or complicated antenna systems, there are zones within the coveragearea, where the signal coverage cannot be achieved by the base station.

    Repeaters traditionally have been used to fill in dead Zones areas with nocoverage due to blockage by terrain, foliage, man-made structures or distancefrom the base station. The user views repeaters as a means to extend basestation coverage, so as to reduce the number of required base stations and,thereby, accelerate network coverage availability.

    1.2 About FCRG-6

    Repeater type FCRG-6 is a Channel Selectiveamplifier, which bi-directionallyamplifies signals between mobile stations and a base station in the GSM900/1800 mobile telephone system. It provides highly selective amplification ofchannel, (one operator) thus enabling radio coverage in regions where

    satisfactory Cellular coverage is required.

    The repeater can be controlled locally or remotely. The design of the repeatercomprises a large number of functions, which the operator may monitor viaSHYAM RMS application software. An easy to understand and learn windowsbased GUI supports the customer to query status reports from the repeater or tochange settings.

    1.3 Contents of delivery:

    ITEMS QUANTITYRepeater FCRG-6 1

    PC interface cable (RS 232) 1

    Power cable 3 pin 3 meter long 1

    Battery cable 2 Pin 3 meter long 1

    Door key 1

    Operation & Installation manual 1

    Set of test results 1

    CD containing the RCMC application software 1

    Mounting Clamp with Nut-bolts 1

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    1.4 Functional description

    Figure 1.4-1: Block diagram of FCRG6 (Remote) - 900 / 1800 system

    ServerAntenna

    LNA

    Converter Converter PA

    Combiner

    Converter Converter PA

    Combiner

    PA

    PA

    Converter Converter

    Converter Converter

    Duplexer

    Duplexer

    SUPERVISORY

    DonorAntenna

    ServerAntenna

    DOWN LINK

    UP LINK

    LNA

    Duplexer

    LNA

    Converter Converter PA

    Combiner

    Converter Converter PA

    Combiner

    Converter Converter

    Converter Converter

    Duplexer

    SUPERVISORYCoupler

    DOWN LINK

    UP LINK

    FROM

    LNA

    Figure 1.4-2: Block diagram of FCRG6 (Master) - 900 / 1800 system

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    a. DONOR ANTENNA

    Donor antenna is used to receive signal from the base station and switchelectromagnetic wave into RF signal and vice versa. The antenna with more than

    10-14dB gain sends received signal to the repeater and transmits uplink signalsamplified by the repeater.

    File Doc. No. Date Ver. Page

    Figure 1.4-3 : Donor Antenna

    b. DUPLEXER (DOWN-LINK)

    The main function of duplexer is to isolate the uplink frequency from the downlinkfrequency, i.e. isolate transmit path from receive path. The bandwidth of theduplex filter depends upon the operators frequency band (25MHz, 15MHz,10MHz, 9MHz, etc.).

    LNA connector

    PA connectorBTS connector

    Figure 1.4-4 : Duplexer

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    c. LOW NOISE AMPLIFER: LNA

    LNA amplifies the received signal from Duplexer & feeds it to the convertermodule. Up link & Down link LNA modules are shown on the left and right sidewall of repeater.

    File Doc. No. Date Ver. Page

    Motherboardconnector

    Converter-1connector

    DuplexerConnector

    Converter-2connector

    Figure 1.4-5 : Low Noise Ampl ifier

    d. CONVERTER MODULE

    The basic block of converter module composed of L.O. frequency mixer, filter and

    intermediate amplifier. When the low noise amplified signal gets into theconversion module, it mixes frequency with the local oscillation signal to generateIF in which it passes through channel selective filters and achieve frequencyselection. The L.O. frequency can be changed for the selection of differentchannels.

    PA inputconnector

    LNA outputconnectorMotherboard

    connector

    Figure 1.4-6 : Converter Module

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    e. POWER AMPLIFIER

    It is the core module of repeater. It includes driver stage and final stage. It isinstalled directly on the heat sink of the repeater. Driver stage and final stage ofpower amplifier are in the same unit.

    Converterconnector

    Power supplyconnector

    Motherboardconnector

    Duplexerconnector

    Figure 1.4-7 : Power Ampl ifier

    f. DUPLEXER (UP-LINK)

    The main function of duplexer is to isolate the uplink frequency from the downlinkfrequency, i.e. isolate transmit path from receive path. The bandwidth of the

    duplex filter depends upon the operators frequency band (25MHz, 15MHz,10MHz, 9MHz, etc.).

    g. SERVER ANTENNA

    Server antenna sends the signal from the repeater station to the mobile user andtransport received uplink signals from the mobile user to the base station. Based

    on the coverage area, select panel antenna having 60, 65, 90or 120verticalpolarizations with N type connecter.

    Figure 1.4-8 : Server Antenna

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    h. POWER SUPPLY

    The 350 Watt power supply is of high efficiency and high reliability. The standardinput voltage is 90 to 240 VAC, 50Hz. When the power supply varies in therange of 90 to 240VAC and the frequency in 47 to 60Hz, its output DC voltage

    change rate is 1 %.

    This Power supply also charges an external 24 Volts maintenance-free battery ofup to 40-Ampere hours. This 24 Volt Battery supplies the repeater with DC powerduring the power break down & can support the 10-Watt repeater for 4 Hours.

    Battery ON/OFFswitch

    +27 Vconnector

    Alarm connector

    +12 V connector

    +7 V connector

    Green LED for AC OKRed LED for +27VYellow LED for +7VYellow LED for +12V

    Figure 1.4-9 : Power Supply

    1.4.1 Motherboard

    It contains integrating slots (connectors) for up-link converter, down-linkconverter, supervisory card, GSM modem card, up-link LNA, down-link LNA, up-link PA, down-link PA, VFD module.

    TCXOconnector

    Supervisoryconnector

    Modemconnector

    PA DL-1PA DL-2Main Power Supply

    RF ModemBattery conn.

    PA UL-1

    RS-232PA UL-2

    Figure 1.4.1-1 : Mother Board

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    1.4.2 Gain sett ing

    It is the Repeater gain that will dictate how far your repeater can extend thecoverage and whether or not the noise contribution will have a measurable effectat the base station. The most important task involved in a repeater installation is

    to set the repeater gain properly.

    Introducing attenuation into the amplifier chain will adjust the repeater gain. Byusing GUI based local RS 232 serial interface, the gain can be adjusted locallyfrom 0dB to 31 dB maximum in steps of 1 dB. Moreover, two more methods arealso used to set the gain of repeater i.e. by using keypad & display (Optional) orGUI based remote GSM modem (Optional). The gain setting for Uplink andDownlink path is independent of each other.

    For example, if repeater has a maximum gain of 90 dB and the required repeatergain is of 60 dB, then the attenuation is to be set at 30 dB,

    Note:- Repeater gain should be at least 15 dB less than the antennaisolation.

    1.4.2.1 Forward Gain Setting (Downlink Path)

    Signal transmitted by BTS is called Downlink/Forward signal and the signaltransmitted by mobile phone is called Uplink/Reverse signal.

    Setting the forward gain is very simple method. Forward signal level can be

    measured using NET engineering software in any NOKIA handset e.g. NOKIA6210 or any other engineering mobile handset. Please refer How to use NETEngineering Software manual to use NET engineering software.

    Alternatively, RF output power of repeater can be measured using the GUI basedlocal RS 232 serial interface or visual indication shown on the display panel of therepeater (optional) or GUI based remote GSM modem (Optional).

    CH1 CH2

    Figure 1.4.2.1-1 : Display panel

    Once the RF output power has been determined, the attenuation will have to be

    modified to reach the desired output signal level.

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    Let us take an example of a suburb area,which is 15-20km away from the basestation site and the mobile signal level is almost negligible on the road to set up amobile call. At the outset, identify the physical location in an area where thereceived mobile signal level is optimum and follow the steps as enumeratedbelow.

    Step: 1 Measure the mobile signal level, using NOKIA 6210 handset and theSIM card of the cellular operator, on the road where the mobile signallevel is optimum and mark this location as point A.

    WindowNumber

    Time slot ofthe signalingchannel

    Signal levelindication

    Time advance

    value duringconversation

    ChannelNumber

    Signal strengthlevel in dBm

    Handsetbattery levelindication

    C1 cellselectioncriterion

    C2 cell selectioncriterionparameter ofserving cell

    Menu

    NOKIA

    Names

    01Hutch

    10:33

    52 - xxx0 1 x

    36 36

    CBCH

    Menu

    NOKIA

    Names

    01Oasis

    10:33

    62 -95 xxx0 2 x

    3 3

    CBCH

    WindowNumber

    Time slot ofthe signalingchannel

    Signal levelindication

    Time advance

    value duringconversation

    ChannelNumber

    Signal strengthlevel in dBm

    Handsetbattery levelindication

    C1 cellselectioncriterion

    C2 cell selectioncriterionparameter ofserving cell

    Menu

    NOKIA

    Names

    01Hutch

    10:33

    52 - xxx0 1 x

    36 36

    CBCH

    Menu

    NOKIA

    Names

    01Oasis

    10:33

    62 -95 xxx0 2 x

    3 3

    CBCH

    Point: AReceived signallevel on the

    road

    Step: 2 Measure the mobile signal level on the top of the building e.g. (25 mtrabove the ground level) so as to receive the maximum signal from thebase station.

    WindowNumber

    Time slot ofthe signalingchannel

    Signal levelindication

    ChannelNumber

    Signal strengthlevel in dBm

    Handsetbattery levelindication

    C1 cellselectioncriterion

    C2 cell selectioncriterionparameter ofserving cell

    Menu

    NOKIA

    Names

    01 Hutch

    10:33

    52 - xxx

    0 1 x

    36 36

    CBCH

    Menu

    NOKIA

    Names

    01 Oasis

    10:33

    62 -70 xxx

    0 2 x

    16

    16

    CBCH

    ReceivedSignal level(On the top ofthe building)

    Step: 3 Based on the path calculation as mentioned below in table A, mobilephones will receive a 63dBm signal level (approximately) if the gain ofrepeater is set to 90 dB. We may also change the repeater gain but at

    Window

    Number

    Time slot of

    the signaling

    channel

    Signal level

    indication

    Time advance

    value during

    conversation

    Channel

    Number

    Signal s trength

    level in dBm

    Handset

    battery level

    indication

    C1 c ellselection

    criterion

    C2 cell sel ection

    criterion

    parameter of

    serving cell Menu

    NOKIA

    Names

    01Hutch

    10:33

    52 - xxx

    0 1 x

    36 36

    CBCH

    Menu

    NOKIA

    Names

    01Oasis

    10:33

    62 -63 xxx

    0 2 x

    31

    31

    CBCH

    Receivedsignal levelafter therepeaterinstallation

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    the same time we should also consider the antenna isolation parameter,which primarily depends on the vertical distance between the donor andserver antenna. (Please refer to antenna isolation data sheet andrepeater gain vis-a-vis vertical separation between donor antenna andserver antenna for setting the repeater gain.) Please ensure the

    repeater gain should be at least 10db lower than the antenna isolation.

    The gain of repeater can be set using any of the following methods:

    a. Local manual mode (using built in key pad and display)b. Local RS 232 serial interface mode (GUI based)c. Remote via GSM modem, optional

    Please refer to section 3 for further information.

    Step: 4 Now, let us again measure the mobile signal level at the same locationswhere we had measured the signal level before the repeater installation

    i.e. at point A.Table A: Signal level calculation

    . No Items Gain Loss Signal strength value :in dBm

    Down link

    1 BTS outpout power at port - in dBm ( 20 W) 43 43.0

    2 RF Cable Loss: BTS port to antenna port,dB 3 40.0

    3 Connectors Loss: BTS port to antenna port,dB 1 39.0

    4 Antenna Gain, dBi 15 54.0

    5 Effective isotropic radiated power of BTS ,dBm 58 4 54.0

    6 Free space loss, dB 115.97 -62.0

    7 Other RF propagation loss,dB 8 -70.0

    8

    Signal strength level on the top of the building

    ( 25 mtr above the ground ) -70.0

    9 Donor Yagi antenna Gain, dBi 12 -58.0

    10

    10 mtr. 1/4 " RF Cable & Connector Loss: Donor antenna port to

    repeater,dB 1 -59.0

    11 Repeater Gain, dB 90 31.012 Output power of Repeater ,dBm 31.0

    13

    10 mtr. 1/4 " RF Cable & Connector Loss: Repeater to server patch

    antenna ,dB 1 30.0

    14 Dual Band Patch antenna Gain, dBi 6 36.0

    15 Effective isotropic radiated power of repeater ,dBm 36.0

    16 Free space loss of 2 KM , dB 98.466 -62.4

    17 MS body loss, dB 1 -63.4

    18 MS antenna gain, dB 0 -63.4

    19 Signal strength level outside the building, dBm -63.4

    DOWN LINK SIGNAL STRENGTH LEVEL CALCULATION FOR OUTDOOR REPEATER PLANNING

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    Please note that the received signal may vary from 75 dbm to some other valueas it is highly dependant on the physical location of the area to be covered.

    1.4.2.2 Reverse Gain Setting

    In Repeater coverage area, the mobile phones will have strong signals thereforethe reverse path gain must be optimized. The gain should be low enough so asnot to cause an enormous increase in interferences at the base station, but highenough to ensure a strong signal.

    1.4.3 ALC

    In order to protect the amplifiers from overload and to prevent the systems togenerate spurious emission, the repeater has anAutomatic Level Control (ALC),designed to limit the output power to a defined level. In order to avoid oscillation,the control amplifier has an integrating characteristic, so that a step function

    response obtains a delayed rise and decay.

    1.4.4 Contro ller module (Supervisory)

    The controller module is a microcontroller. The man-machine communicationbetween the cellular operator and the repeater can be done via the controlmodule by using any one of the following methods:

    Local Display & Key pad.

    RS 232 interface

    GSM modem (Optional)

    By using the GSM modem, the repeater can be controlled and monitoredremotely.

    Frequency and gain of channels, output power and status messages can bereceived remotely. In case the GSM modem is connected, automatic alarmmessages can be received at remote locations.

    ProgrammingconnectorPower

    su l LED

    Display panelconnector

    Motherboardconnector

    Figure 1.4.4-1 : Monitoring and control ler module

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    All the FCRG-6 configuration parameters are stored:

    i. Serial Number of the repeater

    ii. Repeater Site Address

    iii. Channel number

    iv. Frequency details, Uplink and Downlink

    v. Attenuation for repeater gain setting

    vi. Output power limit

    vii. Power amplifier (PA) ON/OFF function

    1.4.5 RSSI module

    For the input RF signal level measurement a RSSI module is integrated. InputRF level is measured and displayed on display panel or on the PC / Laptopthrough RS232 serial interfaces using the SHYAM repeater configuration &monitoring software.

    1.4.6 Output power measurement

    The output power (in dBm) can be measured at the output of the uplink anddownlink path for each channel. The range varies up to 43 dBm.

    1.4.7 Internal Backup Battery (required for GSM module only)

    A battery backup is provided for the control module to transmit alarm informationin case of total power failure. The battery type is a NiCd DECT battery. Thebattery backup is sufficient enough to support GSM modem in case of systemengaged or other communication problems for at least 30 minutes under normalenvironmental conditions.

    Note:- This backup battery module is provided for the controller moduleof GSM modem only.

    The batteries are protected from deep discharge by use of a low voltagedisconnect unit. A local switch is provided to disconnect the battery backupsystem during maintenance to ensure that all circuits are voltage-free. The switchis located on the controller module.

    Switch ON (default ) OFF

    Backup battery active Battery backup not active

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    1.5 Electr ical specif ication

    1.5.1 Electr ical Data

    1 Frequency range of the upl ink 890-915 MHz 1710 1785MHz

    Frequency range of the downlink

    935-960 MHz 1805 1885MHz

    2 Number of RF Channels Two

    3 Channel selection Manually or remotely controlled

    4 Down l ink output powermaximum

    Up link output power maximum

    + 40 dBm (optional +43 dBm)

    + 37 dBm

    5 Spurious due to inter modulation -36 dBm as per ETSI

    6 ALC reaction time typ between 100 sec and 3 msec (typ)

    7 Gain 110 dB min

    8 Gain variation over temperature + 1.5 dB over normal temperature range

    9 Gain adjustment range 31dB in steps of 1 dB

    10 Total delay in the signal path < 6 us, 5.5 us typ.

    11 Noise figure 5 dB maximum

    12 Return loss 16 dB

    13 Power supply 90 - 240 Vac / 50 .. 60 Hz

    14 Remote control interface GSM Modem

    15 Environmental and safety See environmental and safetyspecifications leaflet for SHYAM indoor /outdoor cell enhancers

    16 Built in test equipment Current monitors, battery charge level,synthesizer lock monitor, temperaturemonitor, active ALC, door alarm.

    17 Alarm forwarding Potential free relay contact andautomatic alarm call via RS232, wirelessModem & built in display.

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    18 Control functions Gain, channel frequency, ALCthreshold, power down RF stages,monitoring of settings on request.

    19 Remote control To remotely control RF repeaters

    different interfaces are available :RS232 for local or wireless modem.

    20 Options External battery backup is available for40 AH battery

    1.5.2 External electrical interfaces

    1.5.2.1 Electrical power

    The FCRG-6 Repeater is equipped with a removable power cable, which is

    connected into the bottom of repeater through a waterproof connector. Inside theRepeater, mains are connected to a connector on the power supply board.

    1.5.2.2 RF connections

    There are two N type female antenna connectors at the bottom side of thehousing.

    The N type female downlink (to / from Mobile) connector should be connected tothe antenna system for the communication with the mobile units. It is labeled asthe downlink (to / from Mobile).

    The N type female uplink ( to / from BTS ) connector should be connected to theantenna system for the communication with the Base Station. It is labeled as theuplink (to / from BTS ).

    Mobileconnector

    Power supplyconnector

    PowerAlarm RS-232

    BTSconnector

    Figure 1.5.2.2-1 : Bottom Connector panel layout

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    1.6 Environment and safety

    For detailed information refer to the environmental and safety specification leafletfor SHYAM FCRG-6 repeater.

    For stationary use at non-weather protected locations.

    Operating temperature : -10 to + 550CHumidity : + 300C / 93 %

    1.7 Dimensions and weight

    Max. Height x Width x Depth : 800 x 425 x 225 mm

    Weight: approximately 25 kg per unit

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    SECTION 2

    2.0 Installation

    Figure 2.0-1 : Repeater system descript ion

    The repeater system FCRG-6 consists of two units. One is called Master Unit andis located close to the BTS. Other unit called Remote Unit is located close to the

    area to be covered. Master unit is used to convert required GSM channels to anew frequency in the allocated RF band of the operator. The converted channelsare used as a radio link connection to the Remote Unit. The Remote Unitreconverts the GSM channels and transmits to the coverage area.

    2.1 Pre-installation Considerations

    Once the expected coverage area is determined and a site installation plan isestablished (as per the site survey format), a pre-installation checklist shouldbe considered and reviewed for the following items:

    1. Identify the service providers base station location and measure theavailable signal strength at the exterior of the installation location.

    2. Identify the installation location for the donor antenna, and review theantenna manufacturers installation procedures for additionalconsiderations. Ensure that the donor antenna has a direct line-of-site tothe service providers base station. If the line-of-site is obstructed,determine the azimuth position by using a magnetic compass forapproximate alignment of donor antenna with base station antenna.

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    FCRG-6 installation site location cr iterion

    i. Accessibility to available electric power point.

    ii. Flat, structural mounting surface.

    iii. Providing a short, low loss RF cable connection to the antennas.iv. Maintaining RF isolation between antennas at least 80 dB more than the

    repeater gain setting

    v. Accommodation for the server antenna providing line-of-site coverage toas much of the coverage area as possible.

    2.2 Installation Tools

    You will need the following basic tools for installation:

    i. Standard wrenches/screwdrivers/cable stripper/cable cutter/pliers set forinstalling the FCRG-6 Unit and antennas. (Refer to the manufacturersrecommendations for installing the antennas).

    ii. RF coaxial cable connection tools for installing connectors.iii. Soldering iron and solder.iv. Multi-meter.v. Mobile handset loaded (e.g. Nokia 6210) with Net engineering software to

    be used for signal level measurement.vi. Magnetic compass for measuring the azimuth of the BTS and repeater

    site.

    2.3 Installation Procedure

    2.3.1 Mechanical installation

    The FCRG-6 repeater shall be mounted vertically to a mast, which means the RFconnectors will be at the bottom side.

    In case of wall mounting, between the repeater housing & the wall a minimumdistance of 50 mm must be kept in order to provide air circulation.

    The repeater shall be mounted in a way that there is free access to the individualunits, while the door of the repeater is open. Therefore keep a clearance radius ofapproximately 0.5 meter.

    Make sure that there is free access to the electrical connections. The allowedbending radius of the connected cables must not be exceeded.

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    File Doc. No. Date Ver. Page

    DirectionalCoupler

    FCRG6Master

    BTS

    DonorAntenna

    ServerAntenna

    FCRG6Remote

    ServerAntenna

    RF cable fromserver antenna

    Power supplycable

    RF cable fromdonor antenna

    RF cable fromBTS coupler

    RF cable fromdonor antenna

    Power supplycable

    Figure 2.3.1-1 : FCRG-6 repeater installation drawing

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    2.3.2 Electrical installation

    Note:- The electrical installation has to be performed in accordance tothe safety regulations of the local authorities. Due to safety reasonsthe electrical installation must be performed by qualified personnel.Before opening and working inside the repeater, ensure mainselectric power are disconnected.

    2.3.2.1 Grounding

    Grounding has to be performed with one grounding screw, mounted on the lefthand side of the housing. Dont use the grounding screw for external devices.

    Figure 2.3.2.1-1 : Grounding kit

    2.3.2.2 Power connection

    Before connecting electrical power to the repeater, grounding has to be done.The Repeater is equipped with a firmly connected power cord. Due to safetyreasons the power supply of the repeater is provided with a 2A Fuse. In the eventthe length of the power cord is not sufficient it can be replaced by a longer cable.

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    2.3.2.3 Connection of the antenna cables

    The Repeater has two N type female antenna connectors. For mounting thecorresponding cable connectors, please refer to the applicable documentation of

    the respective connector manufacturer. The bending radius of the antenna cablesmust remain within its specified limit. This will ensure the proper operation of thesystem; otherwise changes in the electrical behavior will cause malfunction of therepeater system.

    Bending Radius with losses

    Feeder loss, dB/100 mFeeder

    Type800 900

    MHz

    1800 1900

    MHz

    BendingRadius(mm)

    Comments

    CF " 13.5 20.5 40

    LCF 3/8 10 14.5 50

    HCF 1/2 11 16.5 70

    Can be used for

    indoor and oudoor

    LCF 1/2" 7 10.5 90

    LCF 7/8 4 6.2 120

    Ideal for Indoor application

    Possible but not recommended

    for indoor applications

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    SECTION 3

    3.0 Setting to work

    3.1 Preparation

    Note:- Repeater should not be connected to Power withouttermination of the antenna connection. The termination can beperformed either by the antenna connection as well as a dummy load

    or the 50 terminated connection of a measuring instrument (PowerMeter, Spectrum analyzer with appropriate PAD)

    Before bringing the repeater system into service it is necessary to measure theantenna isolation. The repeater system has its maximum available gain when theattenuation is set to zero. On site the maximum allowed gain is 10 dB less thanthe value of antenna isolation. In order to check the function of the repeater

    system on site it is advisable to operate the repeater system with 50 terminations. This makes it possible to set the necessary gain and to test the setvalue without the necessity of radiating.

    FCRG-6 repeater has three different possibilities for setting / viewing the repeateroperational parameters:

    1. Local Manual Mode (Manually setting from built in key pad & display)

    2. Local using RS 232 serial interface mode (GUI based)

    3. Remote via GSM modem mode (NMS) is needed

    3.2 Local Internal Mode (Manual sett ing)

    Once the repeater power is ON, the following screen will be appear:

    S H Y A M R E P E A T E RD U A L C H . F C R G 6

    Then select mode screen will appear by pressing MENU key.

    S T A T U SC O N F I G U R E

    Operation mode will be selected depending on the cursor position. Cursorposition can be moved up and down by pressing UP and DOWN key. PressingENTER key will allow the user to get the desired mode of operation.

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    For example, if the cursor is on CONFIGURE then CONFIGURE mode will beselected by pressing ENTER key and the following screen will be displayed. Usercan change the parameter by pressing UP / DOWN key.

    C H A N G E - U P / D O W N

    C H A N N E L 1 0 3 2

    Next parameter is displayed by pressing ENTER keys.

    C H A N G E - U P / D O W NC O N V E R T E D - 1 0 3 8

    C H A N G E - U P / D O W NC H A N N E L 2 0 4 2

    C H A N G E - U P / D O W NC O N V E R T E D - 2 0 4 8

    C H A N G E - U P / D O W NU L . A T T N : 1 2 d B

    C H A N G E - U P / D O W ND L . A T T N : 1 2 d B

    Following screen is the last screen of the CONFIGURE mode. All the configuredparameters is saved by selecting UP key from this screen:

    T O S A V E P R E S S U P

    Following screen confirms that the configuration has been saved:

    S A V I N G . . . . . . . . . .

    By pressing MENU key any time, second window will be displayed.By pressing ESC key any time, previous window will be displayed.

    The user, depending on the field requirement, can set parameters like mainfrequency, converted frequency, attenuation etc.

    3.3 Repeater sett ing using RS-232 serial interface

    Configuration & Monitoring of Shyam repeaters can also be performed locallywith a laptop / PC connected to the repeater by means of local RS 232 serial

    interface or remotely via GSM modem mounted inside the repeater.

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    Repeater setting is done as per the following procedure:

    First load the SHYAM repeater configuration & monitoring application program inthe laptop/PC and using the RS 232 serial interface cable, connect it to the serial

    interface port of repeater.

    Run the SHYAM Outdoor Repeater Configuration & Monitoring Console programand it will display the following home window. Most of the command buttons areinactive until user has successfully LOG ON and established connection withrepeater.

    User can log on by pressing LOG ON button, which will display the following log

    on window:

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    Enter the user name and password for authentication. Default user name aswell as password is a. User can change this default user name andpassword from the CHANGE PASSWORDwindow.If authentication fail, following message will be displayed :

    Once the authentication is completed successfully, it will open the followingwindow for connection mode serial port selection as well as dialing the repeaterin case of remote mode of connection.

    Computers Serial Port :

    Select the computers serial port from the dropdown list whereRS232 interfacing cable is connected.

    Connection Mode :

    Select the type of connection (Local or Remote), from thedropdown list, you want with repeater.

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    Local

    In this mode of connection user communicates locally with the repeater viaRS232 interface cable.

    Remote

    In this mode of connection user communicates remotely with the repeatervia Modem (GSM Mobile phone).

    Repeater Phone Number :

    User enters the GSM modem number mounted with repeater.

    Message :

    This box displays messages during the connection establishment.

    3.3.1 Local Control via RS232 interface cable

    Following figure shows the local control mode. In this mode RS232 ofcomputerisconnected with the repeater RS232 port with an serial port interfacing cable.

    Repeater FCRG6

    RS232interfacing

    cable

    Laptop

    Select Computers serial port.

    Select Connection mode as Local

    Click button.

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    Clicking the Apply button will display the following wait message on the bottom ofconnection window:

    If there is arror while connecting with repeater, following error message will bedisplayed. Check for the following errors and try again to connect by clicking on

    APPLY button.

    3.3.2 Remote control via GSM modem

    Following diagram show the remote control mode where user communicatesusing wireless modem build-in the equipment with line or wireless modem in PC /Laptop or GSM cell phone connected with PC / Laptop. If cell phone isconnected, then cell phone driver (e.g. Nokia Data Suite for Nokia handsets)must be installed in PC / Laptop for that cell phone.

    Repeater FCRG6 with

    modem built-in

    Wirelessmodem /cell hone

    La to

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    Since the power cable and data wire has been connected in factory, users onlyneed to plug the SIM card with data link and SMS function in wireless modem ofthe repeater.

    SIM cardholder

    MODEM

    Antennaconnector

    Power LED

    Motherboardconnector

    RSL LED

    Figure 3.3.2-1 : SIM card mounting

    Shown as above figure, SIM card mounting procedure is to push gently the SIMcard holder, lift up the top cover of the SIM card holder, put SIM card in and pull itgently.

    Verify the cables and wires are correctly connected. Switch on the power, andthe repeater will go through the initialization process. Indicator LED of wirelessmodem begins to flash. Then the connection preparation has been done.

    At the same time, connect the prepared wire line or wireless modem or GSM cellphone with the PC. Start the computer to run the Shyam Outdoor Repeater

    Configuration & Monitoring Console. Go through the log on process and do thefollowing connection settings.

    Select Computers Serial Port.

    Select Connection Mode as Remote

    Click Apply button.

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    Enter the Repeate Phone number

    Click Connect button. This will start dialing repeaters phone number with thefollowing message in the message box.

    After establishing successful remote connection with repeater via GSMmodem, following message will be displayed in the message box.

    14:30:15: Connected

    After successful connection, home window will be refreshed with repeater modelnumber e.g. FCRG6-900-2CH-40 (REMOTE) as shown in the following Homewindows The model number displayed will depend on the connected repeatermodel number. Repeater configuration & monitoring software automaticallychecks for the type of connected system and gets the model number.

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    Home window of Shyam Repeater configuration & monitoring console forFCRG-6, 900 MHz, dual channel and 40-dBm output power.

    Shyam Outdoor Repeater Configuration & Monitoring Console have followingbuttons for different functions :

    Monitoring system for alarms & parameters status

    Configuring system i.e. setting & reading parameters

    Log on / off repeater configuration & monitoring console

    Masking alarms

    Displaying stored alarms events

    Changing existing user name & password

    Serial comm. port, connection type settings & dialup

    Online help

    Exit Configuration & Monitoring Console software

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    Current connection settings.

    3.3.3 Configuring Repeater Parameters

    Configuring means setting different repeater parameters for proper operation.Configuration window allows access to all the configurable repeater parameters.Configuration window have two different sections viz.:

    A. LINK BUDGET CALCULATORB. REPEATER PARAMETERS

    Using configuration window user can do the following:

    Link budget calculation prior to setting RF Parameters of repeater. Setting / reading of RF parameter. Setting / reading of Short Messages parameter. Setting of Real Time Clock.

    Clicking the button on the home window opens theconfiguration window.

    3.3.3.1 LINK BUDGET CALCULATOR

    Before setting the different parameters of the repeater, user must calculate the

    link budget. For this calculation user need to enter the following inputs :

    Rx Signal Level in the Hand Set

    Donor Antenna Gain

    Calculate Cable Loss from donor antenna to repeater antenna port byselecting used cable type, cable length and frequency.

    Set required attenuation in downlink system gain.

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    Calculate Cable Loss from repeater antenna port to server antenna byselecting used cable type, cable length and frequency.

    Server Antenna Gain

    Calculated link budget is confirmed by clicking CONFIRM LINK BUDGETbutton. Once the link budget is confirmed, attenuation inserted in the systemgain and maximum output power limit at repeater server antenna port will bereflected to ATTENUATIONand MAXIMUM SYSTEM OUTPUT POWER LIMITfield of repeater parameters section in Configuration Window.

    If maximum output power limit at repeater server antenna port exceeded themaximum rated output power limit of the system, then an alarm message will bedisplayed on the Link Budget Calculator window and at that moment CONFIRMLINK BUDGET button will be disabled. In this case, user has to insert theattenuation in the downlink (maximum 31 dB) system gain to adjust the maximumoutput power within limit. At that moment CONFIRM LINK BUDGET button willbe enabled and alarm message will be disappeared.

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    In the above case user need to insert a minimum of 10 dB attenuation toovercome the alarm message displayed on the windows.

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    3.3.3.2 REPEATER PARAMETERS

    In this section of configuration window, user can read and set the differentparameters of the repeater.

    The upper and lower limits that can be set by user for different parameters are asfollows:

    Parameters Name Lower Limit Upper LimitRepeater Identity Number 1 65535

    Repeater Site Address 0 char. 30 char.

    GSM 900

    1 124

    GSM 1800Channel Number Main Ch.

    512 885

    GSM 900

    1 124

    GSM 1800Channel Number Converted Ch.

    512 885

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    Attenuation 0 31

    Maximum System Output PowerLimit

    0 dBm 40 dBm

    PA ON/OFF -- --

    SMS Service Center Number 0 char. 13 char.

    RMS Phone Number 0 char. 13 char.

    Maintenance Phone Number 0 char. 13 char.

    Real Time Clock -- --

    A. Repeater Identi ty Number

    User can assign an unique number to each repeater for their reference.

    B. Repeater Site Address

    User can assign the complete address of location (maximum 30 characters)where Repeater is installed.

    C. Channel Number main Ch.

    User can select desired channel number of the operators band.

    D. Channel Number converted Ch.

    Main channel number is converted to a new channel number. This newchannel is used as a RF link connection to Remote Unit.

    E. Attenuation

    Attenuation set by user to adjust the repeater gain. User can not set the downlink attenuation more than the uplink.

    F. Maximum System Output Power Limit

    User can set maximum system output power limit as per his/her requirement.Uplink output power limit will be 3 dBm less than the downlink.

    G. PA ON/OFF

    User can set PA as ON or OFF for testing at the time of installation. Aftercompleting the installation it must be in ON condition only.

    H. Short Message Service Number

    Short Message Service Number must be started with a + sign. Length of thisfield is 13 digits including + sign.

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    I. RMS Phone Number

    RMS phone number is phone number of the central station where the SHYAMRepeater Management System is installed. Repeater will send all the alarmsand present status to the Repeater Management System by using thisnumber.

    J. Maintenance Phone Number

    Maintenance phone number is phone number of on-duty engineer whererepeater will send alarms status.

    K. Real Time Clock (RTC)

    User can synchronize repeater Real Time Clock (RTC) with their computerRTC. He / she can set day, month, year, hour and minute as shown in thepicture.

    Clicking the SETbutton will update the repeater parameters.

    Clicking the READbutton will read configured parameters from repeater anddisplayed to configuration window.

    Configured parameters can be saved as text file using SAVEbutton for laterreference.

    Saved configured text file can be opened using OPENbutton.

    Note: - Only check marked parameters will be sent to repeater for

    updating the parameters value.

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    3.3.4 Monitoring Repeater Alarms & Status

    Repeater alarms and status can be monitored using Monitoring Window. Clickingthe MONITORING button on the home window or Go To Monitoring from

    configuration window opens the monitoring window.

    Monitored data i.e. current status and alarms occurred on the repeater will bedisplayed on the monitoring window. Refresh interval is 3 seconds.

    A red indication is for Alarm

    A green indication is for normal status.

    User can directly go to the Configuration Window by clicking the Go ToCONFIGURATIONbutton.

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    All the parameters status and alarms that can be monitored by Shyam RepeaterConfiguration & Monitoring Console software are as follows:

    STATUS

    Main Channel Number : Desired channel number of the operators band .

    Converted ChannelNumber

    : Main channel number is converted to a newchannel number. This new channel is used as aRF link connection to Remote Unit

    Downlink Frequency : Downlink frequency corresponding to configuredmain and converted channel number.

    Uplink Frequency : Uplink frequency corresponding to main andconverted channel number.

    Attenuation : Attenuation configured by the user.

    Used Gain : Actual momentary gain for the up link and downlink transmitting.

    Output Power : PA output power.

    Output Power Limit : Output power limit set by the user at which analarm will be generated by glowing red indicator.

    Minimum RSSI : Minimum signal received so far.

    Present RSSI : Present signal level.

    Maximum RSSI : Maximum signal received so far.

    PA Temperature : Current temperature of down link PA.

    System Temperature : Current temperature of the system.

    S/w Ver. : Embedded software version number.

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    ALARMS

    PA off (manual) : When the user sets PA ON / OFF command asOFF, an alarm will be generated by glowing redindicator.

    PA off (auto) : PA temperature exceeds 85oC, PA will be OFFand an alarm will be generated by glowing redindicator.

    PA Power High : When PA power exceeds output power limit set bythe user, an alarm will be generated by glowing redindicator.

    LNA Fail : When LNA fails, an alarm will be generated by

    glowing red indicator.

    Synthesizer Fail : When synthesizer is unlocked, an alarm will begenerated by glowing red indicator.

    VSWR Alarm : When reflected power is high, an alarm will begenerated by glowing red indicator.

    AC Fail : When AC supply fails, an alarm will be generatedby glowing red indicator.

    DC Fail : When DC supply fails, an alarm will be generated

    by glowing red indicator.

    Battery Low : When battery goes low, an alarm will be generatedby glowing red indicator.

    PA TemperatureHigh

    : When PA temperature exceeds 85oC, an alarm willbe generated by glowing red indicator.

    System TemperatureHigh

    : When the system temperature exceeds 60oC, analarm will be generated by glowing red indicator.

    Door Open : Whenever Repeater door is open, an alarm will begenerated by glowing red indicator.

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    3.3.5 Changing Log On Password

    Clicking the button displays a small window for changing the existing User nameand Password. Default User name as well as Password is a.

    Click this button to confirm new password setting. After successfulexecution following confirmation message will be displayed :

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    3.3.6 Installing Shyam Repeater Configuration & Monitoring Console

    To install the Shyam Repeater Configuration & Monitoring Console, follow thefollowing 8 steps :

    1. Insert CD into CD drive

    2. Select Run menu item from windows Start menu.

    3. Type CD drive:\setup.exeor select using Browsebutton.

    Click OK button.

    D:\SETUP.EXE

    Following setup window will appear. Click OK on the setup window to continue

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    4. Change the directory where do you want to install the software. Click the topcorners button to start installation.

    5. Select the Program group and click the Continue button.

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    6. Setup process will start copying file to the system as follows :

    7. After successfully completion of installation, following window will appear.

    8. Click OK to complete the installation of Shyam Repeater Monitoring &Configuration Console software.

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    SECTION 4

    4.0 Trouble shooting

    LED statusAlarms Name

    UpLink

    DownLink

    CauseRemedy

    ON OFFUp link PA is

    switched off manually

    Switch ON the uplink PA by giving ONcommand through

    configuration &monitoring software.

    PA OF MANUAL

    OFF ONDown link PA is

    switched off manually

    Switch ON the downlink PA by giving ONcommand through

    configuration &monitoring software.

    ON OFF

    This may be due tohigh up link PAtemperature or

    internal failure in PA.

    Check the outputpower of down linkPA and the ambient

    temperature ofenvironment

    PA OFF AUTO

    OFF ONThis may be due tohigh down link PA

    temperature orinternal failure in PA.

    Check the output

    power of up PA andthe ambient

    temperature ofenvironment

    ON OFF

    This may be due to6dB or more fall in

    up link powerwhereas the inputRSSI remain the

    same.

    Check the gain ofthe system

    PA POWER LOW

    OFF ON

    This may be due to6dB or more fall indown link power

    whereas the RSSIinput remain the

    same.

    Check the gain ofthe system

    ON OFF

    Any one or both theLNA device may be

    failed

    Gain should bereduced by 6dB if

    one device is failedLNA ALARM

    OFF ON

    Any one or both theLNA device may be

    failed

    Gain should bereduced by 6dB if

    one device is failed

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    ON OFF

    Antenna port may notbe terminated

    properly

    Check the antennaport and connect the

    antenna cableproperly

    VSWR ALARM

    OFF ON Antenna port may notbe terminatedproperly

    Check the antenna

    port and connect theantenna cable

    properly

    ON OFF

    Uplink PAtemperature is high

    due increase inambient temperature

    or some device isdrawing abnormal

    current.

    Check the ambienttemperature ordevice drawing

    abnormal current inuplink path.

    PA TEMP. HIGH

    OFF ON

    Downlink PAtemperature is high

    due increase inambient temperature

    or some device isdrawing abnormal

    current

    Check the ambienttemperature or some

    device drawingabnormal current in

    downlink path

    ON OFFWhen uplink

    synthesizer unlockedCheck the uplink

    PLL moduleSYNTHESIZERFAIL

    OFF ONWhen downlink

    synthesizer unlockedCheck the downlink

    PLL module

    SYS. TEMP. HIGH ON When systemtemperature is high. Check the ambienttemperature

    AC FAIL ONThis is due to AC

    supply failCheck the AC

    supply

    DC FAIL ONThis is due to DC

    supply failCheck the DC

    supply

    BATTERY LOW ONWhen the battery

    charge status is lowCheck the battery

    DOOR OPEN ONWhen system door is

    open

    Check the systemdoor and close it if

    opened

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    SECTION 5

    5.0 Maintenance

    5.1 General

    Note:- The Repeater does not require any regular preventivemaintenance measures.

    It is only recommended to replace the RAM / RTC battery and the battery backupmodule after three years usage as a prophylactic measure. The nominal lifetimeof these batteries is five years under normal environmental conditions.

    In the event of a malfunction it is advantageous to check the status of theantenna systems as well as the continuity of the entire cabling including

    connectors, before replacing the modules.

    Repeater maintenance shall be performed only by replacing modules. Solderingon printed circuit boards shall be avoided. In order to sustain warranty take carenot to damage unintentionally the seals on the modules. To open the housing, theupper screws have to be removed first and then the lower screws. To close thehousing, proceed in reverse order.

    The spare part list, consequently, contains only units, which can be replacedwithout tuning or complex soldering work. Those units are all SHYAM modules,internal and external cables.

    Note:- Defective parts should only be replaced by original parts fromSHYAM authorized person and all interventions inside the housingare at ones own risk. During maintenance ensure that the Repeaterhas been disconnected from mains, and the battery backup modulehas been switched off.

    5.2 Replacement of the fuses

    The power socket is protected with fuse F1 type quick action.

    Note:- Use only fuses of the same type and the same rating whenreplacing

    5.3 Replacement of the mains cable

    In case the length of the delivered mains cable is not sufficient or in case of adefect, the mains cable can be replaced.

    Note:- Disconnect Repeater from mains first .

    Remove the cover plate with the lock and open the housing by lifting the fixingclamp.

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    5.4 Replacement of the controller battery back up

    The battery backup has to be replaced in case of memory loss or as a preventivemeasure after approximately three years usage. The nominal lifetime of thebattery is three years. The battery is in the control card.

    5.5 Modem Module (opt ional)

    The modem is plugged in on the motherboard. If this module is connected,remote configuration and monitoring can be done. To replace this modem simplyremove the antenna cable from the antenna connector and the plug out themodule from the motherboard.

    MODEM

    Antenna connector

    Motherboardconnector

    Figure 5.5-1 : Modem Module

    5.6 Power Supply

    Note:- Ensure that mains are disconnected.

    The power supply is mounted on the body of the housing. Open the Repeater toget access to the device.

    Remove all connected cable from the power supply. Remove the ground cable.

    The power supply is fastened to the body of the housing by means of screws.After loosen the screws the power supply can be removed.

    Note:- Dont forget to put heat sink paste at the bottom side forinstallation of a new power supply.

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    5.7 Module list

    5.7.1 MASTER UNIT

    S No PARTICULARS / MODULES QTY. Model No.

    1 Down link Duplexer 1

    2 Down link BTS Tx interface 1

    3 Down link Down Converter (Master) 2

    4 Down link Up Converter (Master) 2

    5 Down link PA 2

    6 Down link PA Combiner 1

    7 Up link Duplexer 1

    8 Up link LNA 1

    9 Up link Down Converter 2

    10 Up link Up Converter 2

    11 Up link RSSI 2

    12 Up link PA Combiner 1

    13 PSU Without Battery Charging

    14 PSU With Battery Charging

    15 Mother Board (FCRG) 1

    16 TCXO / OCXO Module 1

    17 Supervisory with VFD & RS232 1

    18 Display Module 1

    19 Power Cord 1

    20 Earthing Cable thimble 1

    21 Battery Cable

    22 Operating & Installation Manual 1

    23 Software CD 1

    24 Door key 1

    25 Mounting Clamp with Nut-bolts 1

    26 RS 232 Interface Cable 1

    27 Interconnecting RF cable set

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    5.7.2 REMOTE UNIT

    S No PARTICULARS / MODULES QTY. Model No.

    1 Down link Duplexer 1

    2 Down Link LNA 1

    3 Down link Down Converter (Remote) 2

    4 Down link Up Converter (Remote) 2

    5 Down Link PA 2

    6 Down link PA Combiner 1

    7 Up Link Duplexer 1

    8 Up Link LNA 1

    9 Up link Down Converter 2

    10 Up link Up Converter 2

    11 Up link PA 2

    12 Up link PA Combiner 1

    13 PSU Without Battery Charging

    14 PSU With Battery Charging

    15 Mother Board (FCRG) 1

    16 TCXO / OCXO Module 1

    17 Supervisory with VFD & RS232 1

    18 Display Module 1

    19 Modem 1

    20 Power Cord 1

    21 Earthing Cable thimble 1

    22 Battery Cable

    23 Operating & Installation Manual 1

    24 Software CD 1

    25 Door key 1

    26 Mounting Clamp with Nut-bolts 1

    27 RS 232 Interface Cable 1

    28 Interconnecting RF cable set

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    5.8 Configuration List

    The actual configuration of the repeater system is entered on a separate list atthe time of delivery. This configuration list is subject of the delivery scheduleproviding actual information of part number, Id. Number, serial number and

    revision status of the repeater. Whenever parts should be replaced the user isrequested to update the list.

    Note:- The configuration list is realized by a label ins ide the cabinet ofthe Repeater

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    SECTION 66.0 Channel / Frequency table

    6.1 900 Mhz GSM

    ARFCNNUMBER

    FREQ.MHz

    FREQ.MHz

    ARFCNNUMBER

    FREQ.MHz

    FREQ.MHz

    UL DL UL DL

    1 890.2 935.2 31 896.2 941.2

    2 890.4 935.4 32 896.4 941.4

    3 890.6 935.6 33 896.6 941.6

    4 890.8 935.8 34 896.8 941.8

    5 891.0 936.0 35 897.0 942.0

    6 891.2 936.2 36 897.2 942.2

    7 891.4 936.4 37 897.4 942.4

    8 891.6 936.6 38 897.6 942.6

    9 891.8 936.8 39 897.8 942.8

    10 892.0 937.0 40 898.0 943.0

    11 892.2 937.2 41 898.2 943.2

    12 892.4 937.4 42 898.4 943.4

    13 892.6 937.6 43 898.6 943.614 892.8 937.8 44 898.8 943.8

    15 893.0 938.0 45 899.0 944.0

    16 893.2 938.2 46 899.2 944.2

    17 893.4 938.4 48 899.6 944.6

    18 893.6 938.6 49 899.8 944.8

    19 893.8 938.8 50 900.0 945.0

    20 894.0 939.0 51 900.2 945.2

    21 894.2 939.2 52 900.4 945.4

    22 894.4 939.4 53 900.6 945.6

    23 894.6 939.6 54 900.8 945.8

    24 894.8 939.8 55 901.0 946.0

    25 895.0 940.0 56 901.2 946.2

    26 895.2 940.2 57 901.4 946.4

    27 895.4 940.4 58 901.6 946.6

    28 895.6 940.6 59 901.8 946.8

    29 895.8 940.8 60 902.0 947.0

    30 896.0 941.0

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    ARFCNNUMBER

    FREQ.MHz

    FREQ.MHz

    ARFCNNUMBER

    FREQ.MHz

    FREQ.MHz

    UL DL UL DL

    61 902.2 947.2 95 909.0 954.0

    62 902.4 947.4 96 909.2 954.2

    63 902.6 947.6 97 909.4 954.4

    64 902.8 947.8 98 909.6 954.6

    65 903.0 948.0 99 909.8 954.8

    66 903.2 948.2 100 910.0 955.0

    67 903.4 948.4 101 910.2 955.2

    68 903.6 948.6 102 910.4 955.4

    69 903.8 948.8 103 910.6 955.6

    70 904.0 949.0 104 910.8 955.8

    71 904.2 949.2 105 911.0 956.0

    72 904.4 949.4 106 911.2 956.2

    73 904.6 949.6 107 911.4 956.4

    74 904.8 949.8 108 911.6 956.6

    75 905.0 950.0 109 911.8 956.8

    76 905.2 950.2 110 912.0 957.0

    77 905.4 950.4 111 912.2 957.278 905.6 950.6 112 912.4 957.4

    79 905.8 950.8 113 912.6 957.6

    80 906.0 951.0 114 912.8 957.8

    81 906.2 951.2 115 913.0 958.0

    82 906.4 951.4 116 913.2 958.2

    83 906.6 951.6 117 913.4 958.4

    84 906.8 951.8 118 913.6 958.6

    85 907.0 952.0 119 913.8 958.8

    86 907.2 952.2 120 914.0 959.0

    87 907.4 952.4 121 914.2 959.2

    88 907.6 952.6 122 914.4 959.4

    89 907.8 952.8 123 914.6 959.6

    90 908.0 953.0 124 914.8 959.8

    91 908.2 953.2

    92 908.4 953.4

    93 908.6 953.6

    94 908.8 953.8

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    6.2 1800 Mhz GSM

    ARFCN ARFCN ARFCN

    NUMBER

    FREQ.MHz

    FREQ.MHz NUMBER

    FREQ.MHz

    FREQ.MHz NUMBER

    FREQ.MHz

    FREQ.MHz

    UL DL UL DL UL DL

    512 1710.2 1805.2 556 1719.0 1814.0 600 1727.8 1822.8513 1710.4 1805.4 557 1719.2 1814.2 601 1728.0 1823.0

    514 1710.6 1805.6 558 1719.4 1814.4 602 1728.2 1823.2

    515 1710.8 1805.8 559 1719.6 1814.6 603 1728.4 1823.4

    516 1711.0 1806.0 560 1719.8 1814.8 604 1728.6 1823.6

    517 1711.2 1806.2 561 1720.0 1815.0 605 1728.8 1823.8

    518 1711.4 1806.4 562 1720.2 1815.2 606 1729.0 1824.0

    519 1711.6 1806.6 563 1720.4 1815.4 607 1729.2 1824.2

    520 1711.8 1806.8 564 1720.6 1815.6 608 1729.4 1824.4

    521 1712.0 1807.0 565 1720.8 1815.8 609 1729.6 1824.6

    522 1712.2 1807.2 566 1721.0 1816.0 610 1729.8 1824.8

    523 1712.4 1807.4 567 1721.2 1816.2 611 1730.0 1825.0

    524 1712.6 1807.6 568 1721.4 1816.4 612 1730.2 1825.2

    525 1712.8 1807.8 569 1721.6 1816.6 613 1730.4 1825.4526 1713.0 1808.0 570 1721.8 1816.8 614 1730.6 1825.6

    527 1713.2 1808.2 571 1722.0 1817.0 615 1730.8 1825.8

    528 1713.4 1808.4 572 1722.2 1817.2 616 1731.0 1826.0

    529 1713.6 1808.6 573 1722.4 1817.4 617 1731.2 1826.2

    530 1713.8 1808.8 574 1722.6 1817.6 618 1731.4 1826.4

    531 1714.0 1809.0 575 1722.8 1817.8 619 1731.6 1826.6

    532 1714.2 1809.2 576 1723.0 1818.0 620 1731.8 1826.8

    533 1714.4 1809.4 577 1723.2 1818.2 621 1732.0 1827.0

    534 1714.6 1809.6 578 1723.4 1818.4 622 1732.2 1827.2

    535 1714.8 1809.8 579 1723.6 1818.6 623 1732.4 1827.4

    536 1715.0 1810.0 580 1723.8 1818.8 624 1732.6 1827.6

    537 1715.2 1810.2 581 1724.0 1819.0 625 1732.8 1827.8538 1715.4 1810.4 582 1724.2 1819.2 626 1733.0 1828.0

    539 1715.6 1810.6 583 1724.4 1819.4 627 1733.2 1828.2

    540 1715.8 1810.8 584 1724.6 1819.6 628 1733.4 1828.4

    541 1716.0 1811.0 585 1724.8 1819.8 629 1733.6 1828.6

    542 1716.2 1811.2 586 1725.0 1820.0 630 1733.8 1828.8

    543 1716.4 1811.4 587 1725.2 1820.2 631 1734.0 1829.0

    544 1716.6 1811.6 588 1725.4 1820.4 632 1734.2 1829.2

    545 1716.8 1811.8 589 1725.6 1820.6 633 1734.4 1829.4

    546 1717.0 1812.0 590 1725.8 1820.8 634 1734.6 1829.6

    547 1717.2 1812.2 591 1726.0 1821.0 635 1734.8 1829.8

    548 1717.4 1812.4 592 1726.2 1821.2 636 1735.0 1830.0

    549 1717.6 1812.6 593 1726.4 1821.4 637 1735.2 1830.2

    550 1717.8 1812.8 594 1726.6 1821.6 638 1735.4 1830.4

    551 1718.0 1813.0 595 1726.8 1821.8 639 1735.6 1830.6

    552 1718.2 1813.2 596 1727.0 1822.0 640 1735.8 1830.8

    553 1718.4 1813.4 597 1727.2 1822.2 641 1736.0 1831.0

    554 1718.6 1813.6 598 1727.4 1822.4 642 1736.2 1831.2

    555 1718.8 1813.8 599 1727.6 1822.6 643 1736.4 1831.4

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    ARFCN ARFCN ARFCN

    NUMBER

    FREQ.MHz

    FREQ.MHz NUMBER

    FREQ.MHz

    FREQ.MHz NUMBER

    FREQ.MHz

    FREQ.MHz

    UL DL UL DL UL DL

    644 1736.6 1831.6 688 1745.4 1840.4 732 1754.2 1849.2

    645 1736.8 1831.8 689 1745.6 1840.6 733 1754.4 1849.4

    646 1737.0 1832.0 690 1745.8 1840.8 734 1754.6 1849.6

    647 1737.2 1832.2 691 1746.0 1841.0 735 1754.8 1849.8648 1737.4 1832.4 692 1746.2 1841.2 736 1755.0 1850.0

    649 1737.6 1832.6 693 1746.4 1841.4 737 1755.2 1850.2

    650 1737.8 1832.8 694 1746.6 1841.6 738 1755.4 1850.4

    651 1738.0 1833.0 695 1746.8 1841.8 739 1755.6 1850.6

    652 1738.2 1833.2 696 1747.0 1842.0 740 1755.8 1850.8

    653 1738.4 1833.4 697 1747.2 1842.2 741 1756.0 1851.0

    654 1738.6 1833.6 698 1747.4 1842.4 742 1756.2 1851.2

    655 1738.8 1833.8 699 1747.6 1842.6 743 1756.4 1851.4

    656 1739.0 1834.0 700 1747.8 1842.8 744 1756.6 1851.6

    657 1739.2 1834.2 701 1748.0 1843.0 745 1756.8 1851.8

    658 1739.4 1834.4 702 1748.2 1843.2 746 1757.0 1852.0

    659 1739.6 1834.6 703 1748.4 1843.4 747 1757.2 1852.2

    660 1739.8 1834.8 704 1748.6 1843.6 748 1757.4 1852.4661 1740.0 1835.0 705 1748.8 1843.8 749 1757.6 1852.6

    662 1740.2 1835.2 706 1749.0 1844.0 750 1757.8 1852.8

    663 1740.4 1835.4 707 1749.2 1844.2 751 1758.0 1853.0

    664 1740.6 1835.6 708 1749.4 1844.4 752 1758.2 1853.2

    665 1740.8 1835.8 709 1749.6 1844.6 753 1758.4 1853.4

    666 1741.0 1836.0 710 1749.8 1844.8 754 1758.6 1853.6

    667 1741.2 1836.2 711 1750.0 1845.0 755 1758.8 1853.8

    668 1741.4 1836.4 712 1750.2 1845.2 756 1759.0 1854.0

    669 1741.6 1836.6 713 1750.4 1845.4 757 1759.2 1854.2

    670 1741.8 1836.8 714 1750.6 1845.6 758 1759.4 1854.4

    671 1742.0 1837.0 715 1750.8 1845.8 759 1759.6 1854.6

    672 1742.2 1837.2 716 1751.0 1846.0 760 1759.8 1854.8

    673 1742.4 1837.4 717 1751.2 1846.2 761 1760.0 1855.0

    674 1742.6 1837.6 718 1751.4 1846.4 762 1760.2 1855.2

    675 1742.8 1837.8 719 1751.6 1846.6 763 1760.4 1855.4

    676 1743.0 1838.0 720 1751.8 1846.8 764 1760.6 1855.6

    677 1743.2 1838.2 721 1752.0 1847.0 765 1760.8 1855.8

    678 1743.4 1838.4 722 1752.2 1847.2 766 1761.0 1856.0

    679 1743.6 1838.6 723 1752.4 1847.4 767 1761.2 1856.2

    680 1743.8 1838.8 724 1752.6 1847.6 768 1761.4 1856.4

    681 1744.0 1839.0 725 1752.8 1847.8 769 1761.6 1856.6

    682 1744.2 1839.2 726 1753.0 1848.0 770 1761.8 1856.8

    683 1744.4 1839.4 727 1753.2 1848.2 771 1762.0 1857.0

    684 1744.6 1839.6 728 1753.4 1848.4 772 1762.2 1857.2

    685 1744.8 1839.8 729 1753.6 1848.6 773 1762.4 1857.4

    686 1745.0 1840.0 730 1753.8 1848.8 774 1762.6 1857.6

    687 1745.2 1840.2 731 1754.0 1849.0 775 1762.8 1857.8

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    Antenna ElectronicCommunication Systems

    ARFCN ARFCN ARFCN

    NUMBER

    FREQ.MHz

    FREQ.MHz NUMBER

    FREQ.MHz

    FREQ.MHz NUMBER

    FREQ.MHz

    FREQ.MHz

    UL DL UL DL UL DL

    776 1763.0 1858.0 820 1771.8 1866.8 864 1780.6 1875.6

    777 1763.2 1858.2 821 1772.0 1867.0 865 1780.8 1875.8

    778 1763.4 1858.4 822 1772.2 1867.2 866 1781.0 1876.0779 1763.6 1858.6 823 1772.4 1867.4 867 1781.2 1876.2

    780 1763.8 1858.8 824 1772.6 1867.6 868 1781.4 1876.4

    781 1764.0 1859.0 825 1772.8 1867.8 869 1781.6 1876.6

    782 1764.2 1859.2 826 1773.0 1868.0 870 1781.8 1876.8

    783 1764.4 1859.4 827 1773.2 1868.2 871 1782.0 1877.0

    784 1764.6 1859.6 828 1773.4 1868.4 872 1782.2 1877.2

    785 1764.8 1859.8 829 1773.6 1868.6 873 1782.4 1877.4

    786 1765.0 1860.0 830 1773.8 1868.8 874 1782.6 1877.6

    787 1765.2 1860.2 831 1774.0 1869.0 875 1782.8 1877.8

    788 1765.4 1860.4 832 1774.2 1869.2 876 1783.0 1878.0

    789 1765.6 1860.6 833 1774.4 1869.4 877 1783.2 1878.2

    790 1765.8 1860.8 834 1774.6 1869.6 878 1783.4 1878.4

    791 1766.0 1861.0 835 1774.8 1869.8 879 1783.6 1878.6792 1766.2 1861.2 836 1775.0 1870.0 880 1783.8 1878.8

    793 1766.4 1861.4 837 1775.2 1870.2 881 1784.0 1879.0

    794 1766.6 1861.6 838 1775.4 1870.4 882 1784.2 1879.2

    795 1766.8 1861.8 839 1775.6 1870.6 883 1784.4 1879.4

    796 1767.0 1862.0 840 1775.8 1870.8 884 1784.6 1879.6

    797 1767.2 1862.2 841 1776.0 1871.0 885 1784.8 1879.8

    798 1767.4 1862.4 842 1776.2 1871.2

    799 1767.6 1862.6 843 1776.4 1871.4

    800 1767.8 1862.8 844 1776.6 1871.6

    801 1768.0 1863.0 845 1776.8 1871.8

    802 1768.2 1863.2 846 1777.0 1872.0

    803 1768.4 1863.4 847 1777.2 1872.2

    804 1768.6 1863.6 848 1777.4 1872.4805 1768.8 1863.8 849 1777.6 1872.6

    806 1769.0 1864.0 850 1777.8 1872.8

    807 1769.2 1864.2 851 1778.0 1873.0

    808 1769.4 1864.4 852 1778.2 1873.2