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Transcript of MOBILE ANTENNA SUMMARY - westradio.com.au · GRH/T is the “Quick Fit” antenna top alone with...
MOBILE ANTENNASUMMARY
ZCG Scalar, Head Office, 7 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
Section 4a
VHF Low Band BFB1 70–85 MHz, 2.1 dBi Field Tuneable Tip GRL-T 70–77 MHz, 2.1 dBi Field Tune M11T, M12T 70–100 MHz, 2.1 dBi Field Tune WhipsVHF High Band GRH series 148–174 MHz, 2.1 dBi “Quick Fit” Field Tune M21T, M22T 144–174 MHz, 2.1 dBi Field Tune Whips CT160 148–174 MHz, 2.1 dBi Low Profile Field TuneVHF and UHF On-Glass OZ series 144–520 MHz, Vehicle On-Glass Mount Field TuneUHF GRN series 400–520 MHz, 4 dBi Highly Flexible “Quick Fit” GID series 450–490 MHz, 6.2 dBi Elevated Feed GID-QF series 400–520 MHz, 6.6 dBi “Quick Fit” Elevated Feed GRMWFC477 470–490 MHz, 2.1 dBi Stainless Steel GRUFC 420–520 MHz, 2.1 dBi Stainless Steel M and MB series 400–520 MHz, 6.2 dBi Factory Tuned Whips M45T 400–520 MHz, 2.1 dBi Highly Flexible Field Tune Whip CT400 400–530 MHz, 2.1 dBi Low Profile, Select BandwidthScanning SM39 40–950 MHz, Receive Only Scanning WhipAM/FM Radio Receive ZN3 series Bull Bar Mount TC1100 2.2 metre Bull Bar Mount SG1100 90 cm Bull Bar Mount SGL1100 75 cm Vehicle Mount CR series Whips, Bases and Cable Sets CT90 Low Profile, Rugged and CovertGPS Multiband ZAU-3C2M-GC GPS 1575.42 MHz, NEXT G and GSM Mobile Phone GCRFA & GCT GPS 1575.42 MHz, NEXT G, GSM, 3G, Wi-Fi 2.4 GHz ZMA-25 GPS 1575.42 MHz
BFB1Ground Independent VHF Low Band
Frequency
ZCG Scalar, Head Office, 1 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 16 February 2011
Bandwidth70 – 85 MHz 3% FIELD TRIM
For the VHF range 70 to 85 MHz, the BFB1 ground independent mobile antenna features a stainless steel tuning tip which can be trimmed to any 3% bandwidth you desire using an SWR meter. Standing 1.83 metres tall, the antenna is primarily designed for installation on vehicles operating in off-road and heavy duty situations.
This model offers 2.1 dBi gain and is ideally suited for the emergency services, construction and mining industries.
Typical mounting positions include a vehicle bull bar or guard using the appropriate bracket. When mounting to a vehicle, we recommend installing the antenna onto either the 1269 stainless steel beehive spring or 1270 heavy duty steel barrel spring to dampen vibrations while travelling.
BFB1 can also be installed in a fixed location and used as a Base Station antenna.
The radiating element is enclosed inside a 10 mm fibreglass rod. The UHF Female connector located in the side of the antenna mounting base allows easy removal of the feeder cable.
Frequency Range
SPECIFICATIONS BFB1
70 to 85 MHz
2.1 dBiGainLess than 1.5:1
100 Watts50 Ohms
Trim the tuning tip in the field using an SWR meter
None (available separate)
1.83 metres500 gramsSecure into any bracket with 12.7 mm (½”) minimum diameter hole using the nut and washer on the threaded base
VSWR
Maximum PowerImpedance
Tuning
CableConnectorHeightWeight
Mounting
Construction Grey PVC mount ferrule, 10 mm diam white fibreglass radome, stainless steel tuning tip
VerticalPolarisation360O OmnidirectionalH-Plane
Vehicle bull bar or vehicle guardRecommended Mounting Position
Bandwidth Any 3%
UHF Female located in the side of the base
Optional Vehicle Mounting Springs
1269 stainless steel beehive spring, or1270 heavy duty steel barrel spring
When mounting BFB1 to a vehicle, either of these springs are recommended to dampen vibrations while travelling. 105 mm tall x 45 mm diameter, ½”–12 BSW bolt and spring washer included.
1269 1270
Loosen the grub screw to remove the tuning tip.
Use a SWR meter and gradually trim the tip to your desired centre frequency.
An installation and tuning guide is provided with the antenna.
UHF Female connector located in the side of the mounting base.
The BFB1 mobile antenna features a stainless steel
tuning tip.
ZCG Scalar can supply a vehicle mounting bracket, spring, coaxial feeder cable and connectors, or an assembled cable set – everything you need to complete the antenna installation.7900
UHF Male solder connector to suit RG58 cable
available separately
GRL-TGround Independent VHF Low Band
Frequency
ZCG Scalar, Head Office, 1 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 16 February 2011
Bandwidth70 – 77 MHz 2 MHz Field Trim
For the VHF range 70 to 77 MHz, the GRL-T is an end feed half wave mobile whip with a high impedance matched base.
Although needing a good earth at it’s mounting point, there is no need for a full ground plane for the GRL-T mobile antenna to perform to specifications.
Frequency Range
SPECIFICATIONS GRL-T
70 to 77 MHz
2.1 dBiGainLess than 1.5:1
100 Watts50 Ohms
Trim the stainless steel whip in the field to the desired bandwidth using an SWR meter
5.5 meters of RG58
1.7 metres at 70 MHz500 gramsSecure into any bracket with 12.7 mm (½") minimum diameter hole using the nut and washer on the threaded base
VSWR
Maximum PowerImpedance
Tuning
CableConnectorHeightWeight
Mounting
Construction Chromed brass, black delrin precision wound coils, spring stainless steel whip
VerticalPolarisation360O OmnidirectionalH-Plane
Vehicle bull bar or vehicle guardRecommended Mounting Position
Bandwidth Any 2 MHz
UHF Male supplied, not fitted
ZCG Scalar can supply a vehicle mounting bracket, spring, coaxial feeder cable and connectors, or an assembled cable set – everything you need to complete the antenna installation.
Whip trim chart and tuning instructions are provided with the antenna.
7900UHF Male solder connector
to suit RG58 cable
M11T and M12TVHF Low Band Whips
Frequency
ZCG Scalar, Head Office, 1 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 16 February 2011
Bandwidth70 – 100 MHz Field Trim
For the VHF low band range 70 to 100 MHz, these 2.1 dBi gain whips can be mounted to any antenna base with 5/16"–26 TPI thread and trimmed in the field to the desired frequency using an SWR meter.
M11T Â is tapered stainless steel. To field trim, loosen the grub screw in the chrome plated brass ferrule, remove the whip and trim gradually from the bottom.
M12T Â is fibreglass with copper braid, black heatshrink covering and chrome plated brass ferrule. Remove the black cap and trim from the top.
These whips can be mounted in various positions on a vehicle, or some other fixed location.
Frequency Range
SPECIFICATIONS M11T
VHF 70 to 100 MHz
2.1 dBiNominal GainLess than 1.5:1
50 Watts50 Ohms
Trim in the field to desired frequency using an SWR meter
109 cm
5/16"–26 TPI thread
VSWR
Maximum PowerImpedance
Tuning
Height prior trim
Mount Ferrule
Construction Tapered stainless steel, chrome plated brass ferrule
VerticalPolarisation
79 gramsWeight
Fibreglass core, copper braid, black heatshrink cover,chrome plated brass ferrule
M12T
VHF 70 to 100 MHz
Less than 1.5:12.1 dBi50 Watts50 OhmsVertical109 cm105 grams5/16"–26 TPI thread
OB4.7-BNCOB-2 Base, Black, 4.7 metres RG58 low loss stranded cable, BNC male crimp connector fitted
OB-1.5BNCOB-2 Base, Black, 1.5 metres RG58 low loss stranded cable, BNC male crimp connector fitted
Mounting bases recommended and available separately
OB-2Australian Standard UHF OB Base, Black, 5/16"–26 TPI thread, no cable, no connector
OB4.7OB-2 Base, Black, 4.7 metres RG58 low loss stranded cable, UHF male solder connector supplied (not fitted)
MGB-OBMagnetic OB-2 Base, steel with polished black powder coat finish, 10.5 cm diameter, heavy duty magnet, PVC matted pad on bottom, 4.7 metres RG58 low loss stranded cable side exits, no connector
All these antenna mounting bases will require a metal ground plane for effective performance.
MS Base
The “MS Base” medium duty stainless steel spring with 5/16"–26 TPI male and female threads will suit any mobile whip being mounted onto our OB-2 antenna bases. Screw the spring onto the base and the whip onto the spring.
60 mm tall x 20 mm diameter. Â5/16"–26 TPI male and female threads. Â
GRH Series “Quick Fit”Ground Independent Half Wave
Frequency
ZCG Scalar, Head Office, 1 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 16 February 2011
Bandwidth148 – 174 MHz 4 MHz Field Trim
The GRH series of “Quick Fit” mobile antennas are a ground independent, half wave, end fed design ideally suited for mounting to a vehicle bull bar or guard, the boot of a sedan or a truck mirror using the appropriate bracket. Standing 1.17 metres tall with 2.1 dBi gain, the stainless steel whip is trimmed in the field to the desired 4 MHz bandwidth within the frequency range 148 to 174 MHz using an SWR meter.
The stainless steel, delrin, copper and brass construction provides an extremely robust and durable antenna capable of surviving the harshest of conditions and treatment.
GRH is the most popular mobile antenna kit consisting of :1. The detachable GRH/T “Quick Fit” antenna top, and ÂRA6.0 right-angle UHF female base fitted with 6 metres of RG58 low loss stranded cable and BNC Âmale crimp connector supplied.
The right-angle UHF female mounting base fits into any bracket with 17 mm minimum diameter hole making this antenna kit perfect for mounting in various positions on a vehicle or to a truck mirror. This unique design makes installation so simple with the additional benefit of being able to easily remove the antenna when not required, or in a situation where you are concerned about damage, vandalism or theft.
GRH/T is the “Quick Fit” antenna top alone2. with UHF male connector inside the base. Since mounting arrangements differ, this option allows you to select mounting accessories separately according to your requirements.
GRHFC is the fixed cable model. 3. 4.5 metres of RG58 low loss stranded cable bottom exits through the mounting base. The cable is fixed, so this option is ideal when a detachable antenna top is not desireable. Secure the antenna into any bracket with minimum 10 mm diameter hole using the nut and washer on the threaded base. The GRHFC model is built to order.
Frequency Range and Bandwidth
SPECIFICATIONS GRH
148 to 174 MHz, trim in the field to the desired 4 MHz bandwidth using an SWR meter
2.1 dBiGainLess than 1.5:1, a tuning guide is provided
50 Watts
RA6.0 base and 6 metre cable set supplied
BNC male crimp
1.17 metres460 grams
VSWR
Maximum PowerImpedance
Mounting
Connector Supplied
HeightPacked Weight
Construction Stainless steel whip, copper, brass, black delrin base
PolarisationOmnidirectionalH-Plane
GRH/T GRHFC
IncludesAntenna top, RA6.0 base, cable, connector
Antenna top only
Antenna with 4.5 metres fixed cable
YesDetachable Top Yes No
Select mounting accessories separate
Any bracket with minimum 10 mm diameter hole
Any bracket with 17 mm diam hole
2.1 dBi 2.1 dBi50 Watts 50 Watts
50 Ohms 50 Ohms 50 OhmsVertical Vertical Vertical
Omnidirectional Omnidirectional1.17 metres 1.17 metres175 grams 400 gramsNone None
GRH/T GRHFC
7994The right-angle UHF female base alone. Mounts into any bracket with 17 mm diameter hole.
RA6.0Right-angle UHF female base fitted with 6 metres of RG58 low loss stranded cable and BNC male crimp connector supplied, not fitted. (RA6.0 is supplied with the GRH mobile antenna kit)
MGBIM-UHFMagnetic base with UHF female connector, injection moulded black plastic body 10 cm diameter, heavy duty magnet, rubber pad base, 4.5 metres RG58U low loss cable, no connector.
GRH/T antenna top mounting options available separately
M21T and M22TVHF High Band Whips
Frequency
ZCG Scalar, Head Office, 1 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 16 February 2011
Bandwidth144 – 174 MHz Field Trim
For the VHF high band range 144 to 174 MHz, these 2.1 dBi gain whips can be mounted to any antenna base with 5/16"–26 TPI thread and trimmed in the field to the desired frequency using an SWR meter.
M21T Â is tapered stainless steel. To field trim, loosen the grub screw in the chrome plated brass ferrule, remove the whip and trim gradually from the bottom.
M22T Â is fibreglass with copper braid, black heatshrink covering and chrome plated brass ferrule. Remove the black cap and trim from the top.
These whips can be mounted in various positions on a vehicle, or some other fixed location.
Frequency Range
SPECIFICATIONS M21T
VHF 144 to 174 MHz
2.1 dBiNominal GainLess than 1.5:1
50 Watts50 Ohms
Trim in the field to desired frequency using an SWR meter
55 cm
5/16"–26 TPI thread
VSWR
Maximum PowerImpedance
Tuning
Height prior trim
Mount Ferrule
Construction Tapered stainless steel, chrome plated brass ferrule
VerticalPolarisation
50 gramsWeight
Fibreglass core, copper braid, black heatshrink cover,chrome plated brass ferrule
M22T
VHF 144 to 174 MHz
Less than 1.5:12.1 dBi50 Watts50 OhmsVertical53 cm65 grams5/16"–26 TPI thread
OB4.7-BNCOB-2 Base, Black, 4.7 metres RG58 low loss stranded cable, BNC male crimp connector fitted
OB-1.5BNCOB-2 Base, Black, 1.5 metres RG58 low loss stranded cable, BNC male crimp connector fitted
Mounting bases recommended and available separately
OB-2Australian Standard UHF OB Base, Black, 5/16"–26 TPI thread, no cable, no connector
OB4.7OB-2 Base, Black, 4.7 metres RG58 low loss stranded cable, UHF male solder connector supplied (not fitted)
MGB-OBMagnetic OB-2 Base, steel with polished black powder coat finish, 10.5 cm diameter, heavy duty magnet, PVC matted pad on bottom, 4.7 metres RG58 low loss stranded cable side exits, no connector
All these antenna mounting bases will require a metal ground plane for effective performance.
MS Base
The “MS Base” medium duty stainless steel spring with 5/16"–26 TPI male and female threads will suit any mobile whip being mounted onto our OB-2 antenna bases. Screw the spring onto the base and the whip onto the spring.
60 mm tall x 20 mm diameter. Â5/16"–26 TPI male and female threads. Â
CT160Low Profile, Rugged and Covert
VHF Antenna
Frequency
ZCG Scalar, Head Office, 1 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 17 February 2011
Bandwidth148 - 174 MHz 3 MHz Field Tune
Field tuneable to any 3 MHz bandwidth within the VHF frequency range 148 to 174 MHz, the CT160 low profile, rugged and covert antenna is an ideal choice in situations where a traditional whip antenna would be vulnerable to damage or vandalism.
Constructed from aluminium and delrin with a rubber mounting gasket, the antenna measures just 540 mm long, 60 mm wide and 110 mm high. It mounts to any flat metal surface by drilling seven holes; six for bolts and one larger for the N-Female connector.
The metal surface acts as a ground plane, the antenna will produce a near omnidirectional radiation pattern with 2.1 dBi gain.
The N-Female connector protrudes through the metal surface to allow your feeder cable connected from underneath to be concealed and protected from damage. The thick rubber gasket provides a waterproof seal.
Typical applications suited for this low profile antenna include :
Trains 9Buses 9Forklifts 9Tractors 9Forestry Vehicles 9Logging Trucks 9
Police 9Ambulance 9Fire Brigade 9Emergency Services 9Security Services 9Mining 9
H-Plane
E-Plane
SPECIFICATIONS CT160
VHF 148 to 174 MHz
2.1 dBi< 1.5:1
100 Watts50 OhmsVertical
N-Female
1.63 kg
Drill 7 holes in metal ground plane surface.6 holes for bolts, 1 larger for N-Female connector.N-Female protrudes through ground plane.Low loss feeder cable connects from underneath.
Aluminium and delrin with rubber sealing gasket
Same as a normal 1/4 wave whipNear 360O omnidirectional
Frequency Range
VSWR
Maximum PowerImpedancePolarisation
Connector
Weight
Mounting
Nominal Gain
Construction
E-PlaneH-Plane
Dimensions 540 mm long x 60 mm wide x 110 mm high
Minimum Ground Plane 1.2 metres x 1.2 metres
Bandwidth Field Tune to the desired 3 MHz bandwidth using an SWR meter
OZ SeriesVHF and UHF
Vehicle On-Glass Mount
Frequency
ZCG Scalar, Head Office, 7 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 11 June 2012 144 – 520 MHz
BandwidthField Tune, details below
A vehicle on-glass mount antenna is a popular alternative to other bracket mounted antennas. These OZ on-glass VHF and UHF models are simple to install and can be trimmed in the field to the desired centre frequency using the tuning capacitor inside the internal junction box and an SWR meter.
Designed and manufactured in Australia by ZCG Scalar, construction consists of a UV resistant thermoplastic pivoting antenna base with a black powder coated stainless steel whip.
 OZV-1 is the VHF model. The whip stands 86 cm tall and delivers 2.1 dBi gain. Trim to any 4 MHz bandwidth within the frequency range 144 to 175 MHz.
 OZU-1 can be tuned for any 15 MHz bandwidth within the UHF range 390 to 520 MHz. 56 cm tall, this model delivers an effective 5.1 dBi gain.
 OZU-3 is a 2.1 dBi gain model just 23 cm tall offering a 20 MHz bandwidth in the UHF range 390 to 520 MHz.
The kit includes alcohol wipes and a 4.5 metre RG58 low loss stranded cable set with Mini-UHF connector to fit the internal junction box. A connector to suit your radio is available to order separately.
An Installation and Tuning Guide is provided with each on-glass antenna. To allow easy transfer from vehicle to vehicle, or to replace damaged components, OZU re-installation kits are available.
Max Bandwidth
SPECIFICATIONS OZU-1
Any 15 MHz
5.1 dBiGainLess than 2:1
50 Watts50 Ohms
Tune in the field using capacitor in junction box and an SWR meter
4.5 metres of RG58 low loss stranded cable with Mini-UHF connector fitted one end to suit the internal junction box
None supplied, select and order according to your requirements
56 cm
Black powder coated stainless steel whip, pivoting mounting base with adhesive pad, 3 mm allen hex key, 4.5 metre RG58 cable set, alcohol glass wipes, installation and tuning guide
VSWR
Maximum PowerImpedance
Tuning
Cable Supplied
Connector
Whip Height
Installation Kit Contents
Construction UV resistant thermoplastic pivoting antenna base with a black powder coated stainless steel whip
UHF390 to 520 MHzFrequency Range
VerticalPolarisation360O OmnidirectionalH-Plane
OZU-3
UHF390 to 520 MHz
Any 20 MHz
2.1 dBiLess than 2:1
50 Watts50 OhmsVertical360O Omnidirectional
5/8 WaveWhip Type 1/4 Wave23 cm
Kit Weight 300 grams 300 grams
OZV-1
VHF144 to 175 MHz
Any 4 MHz
Less than 2:12.1 dBi1/2 Wave86 cm30 Watts50 OhmsVertical360O Omnidirectional
300 grams
OZU-3
Please note that the internal adhesive ground plane strips cannot be trimmed.Do not mount these on-glass antennas anywhere near heated demister elements or on any area of glass which contains metal UV tinting.
OZU-1OZV-1
GRN SeriesHighly Flexible “Quick Fit”Ground Independent UHF
Frequency
ZCG Scalar, Head Office, 1 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 16 February 2011
Bandwidth400 – 520 MHz 20 MHz
Less than 40 cm tall, the GRN series of half wave UHF mobile antennas feature a highly flexible PVC top which is virtually unbreakable. Perfect for rugged off-road driving, forklifts and tractors, these ground independent mobile antennas can be mounted in various positions and offer effective performance with 4 dBi gain.Factory tuned in various 20 MHz segments, the copper, brass, delrin and PVC construction is purpose built to survive harsh Australian conditions long term.
The GRN antenna kits are most popular and consist of :1. The detachable “Quick Fit” antenna top, and ÂRA4.7 right-angle UHF female base fitted with 4.7 metres of RG58 Âlow loss stranded cable and UHF male solder connector supplied.
The right-angle UHF female mounting base fits into any bracket with 17 mm minimum diameter hole making these UHF antenna kits perfect for mounting in various positions on a vehicle or to a truck mirror. This unique design makes installation so simple with the additional benefit of being able to easily remove the antenna when not required, or in a situation where you are concerned about damage, vandalism or theft.
The “Quick Fit” antenna tops alone2. with UHF male connector inside the base are available separately. Since mounting arrangements differ, this option allows you to select mounting accessories according to your requirements.
GRNFC series are the fixed cable models. 3. 4.7 metres of RG58 low loss stranded cable bottom exits through the mounting base. The cable is fixed, so this option is ideal when a detachable antenna top is not desireable. Secure the antenna into any bracket with minimum 10 mm diameter hole using the nut and washer on the threaded base.
GRN410, GRN410TP
SPECIFICATIONS GRNxxx
4 dBiGain50 Watts50 Ohms
All models are factory tuned at < 1.5:1 VSWR full band
RA4.7 base and 4.7 metre cable set supplied
UHF male
Maximum PowerImpedance
Tuning
Mounting
Connector SuppliedPacked Weight
Construction Copper and brass internals, delrin body, highly flexible PVC top
VerticalPolarisation
Select mounting accessories separate
Any bracket with minimum 10 mm diameter hole
Any bracket with 17 mm diam hole
Models AvailableGRNxxx : Detachable antenna top, RA4.7 base and cable set
GRNxxxTP : Detachable antenna top only
GRNFCxxx : Antenna with 4.7 metres of fixed cable
400 – 420 MHz White Cap 36 cm GRNFC410GRN430, GRN430TP GRNFC430GRN460, GRN460TP GRNFC460GRN480, GRN480TP GRNFC480GRN510, GRN510TP GRNFC510
420 – 440 MHz Brown Cap 35 cm450 – 470 MHz Red Cap 34 cm470 – 490 MHz Blue Cap 33 cm500 – 520 MHz Yellow Cap 31 cm
GRNxxxTP GRNFCxxx
360 grams 120 grams 320 gramsNone UHF male
4 dBi50 Watts50 OhmsVerticalVertical
4 dBi50 Watts50 Ohms
GRNxxxTP antenna top mounting options available seperately
7994The right-angle UHF female base alone. Mounts into any bracket with 17 mm diameter hole.
RA4.7Right-angle UHF female base fitted with 4.7 metres of RG58 low loss stranded cable and UHF male connector supplied, not fitted. (RA4.7 is supplied with GRN kits.)
MGBIM-UHFMagnetic base with UHF female connector, injection moulded black plastic body 10 cm diameter, heavy duty magnet, rubber pad base, 4.5 metres RG58U low loss cable, no connector.
GID SeriesElevated Feed
Ground Independent UHF
Frequency
ZCG Scalar, Head Office, 7 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 27 May 2011
Bandwidth450 – 490 MHz 20 MHz
The GID series of UHF elevated feed ground independent mobile antennas offer effective performance with 6.2 dBi gain. Their modest size and light weight design make these antennas an excellent choice for mounting in various positions on a vehicle or to a truck mirror using the appropriate bracket.
Manufactured in Australia by ZCG Scalar, there are various models each factory tuned to cover a common 20 MHz bandwidth in the UHF frequency range 450 to 490 MHz at better than 1.5:1 VSWR.
 GIDM series antennas have a detachable stainless steel black powder coated whip with phasing coil.
 GIDMB models have a detachable fibreglass whip with black heat shrink covering. These are more suitable in situations where severe vibration is often encountered.
The high quality brass, delrin, chrome and stainless steel components also make these GID antennas perfectly suited for use in the harsh marine or industrial environments.
4.5 metres of RG58 low loss stranded cable bottom exits through the mount base. Cut the cable to the shortest length necessary prior to fitting the UHF male solder connector provided.
A UHF male solder connector is supplied. Cut the cable to the shortest length necessary prior to fitting the connector.
1269-9 is another mounting option available.
This stainless steel barrel spring dampens vehicle vibrations while travelling and is highly recommended for those who encounter rough conditions frequently.
The antenna cable is fed through the hollow spring and bottom exits. Secure the antenna and spring base into any bracket with 12.7 mm (½”) minimum diameter hole.
Vehicle bull bar, vehicle guard, the boot of a sedan or a truck mirror using the appropriate bracket
Construction Brass internals, delrin components, chrome plated ground independent elevated feed base, detachable whip
Detachable Top Whip included
SPECIFICATIONS GIDM series
6.2 dBiGain50 Watts50 Ohms
UHF male solder (PL259)
Maximum PowerImpedance
Tuning
Mounting
Connector SuppliedPacked Weight
VerticalPolarisation
GIDMB series
590 grams 590 grams
6.2 dBi50 Watts50 OhmsVertical
Cable 4.5 metres of RG58 low loss stranded bottom exits through base
Secure into any bracket with minimum 12.7 mm (½") diameter hole using the nut and lock washer at the base
Optional Mobile Antenna Spring
“1269-9” stainless steel barrel spring with 12 mm stud, nut and spring washer
Recommended Mounting Positions
GIDM460
GIDM480
84 cm, Red Tip
80 cm, Blue Tip
450 – 470 MHz
470 – 490 MHz
87 cm, Red Band
85 cm, Blue Band
GIDMB460
GIDMB480
All models are factory tuned to less than 1.5:1 VSWR full band
Stainless steel with phasing coil and black powder coat finish, chrome plated brass ferrule
Fibreglass with black heatshrink cover, chrome plated brass ferrule
Frequency
UHF male solder (PL259)
GID “Quick Fit” SeriesElevated Feed
Ground Independent UHF
Frequency
ZCG Scalar, Head Office, 1 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 16 February 2011 400 – 520 MHz
Bandwidth20 MHz
The GID “Quick Fit” series of elevated feed ground independent UHF mobile antennas feature a UHF male connector inside the base which fits onto a right-angle UHF female mounting base. This unique design makes installation so simple with the additional benefit of being able to easily remove the antenna top in any situation where you are concerned about damage, vandalism or theft.
Factory tuned in various 20 MHz segments, the black powder coated stainless steel whip with phasing coil delivers an effective 6.6 dBi gain.
Since mounting arrangements differ, various mounting accessories for the “Quick Fit” antenna top are available to select and order separately according to your requirements.
The right-angle UHF female mounting base fits into any bracket with 17 mm minimum diameter hole.
Typical mounting positions are a vehicle bull bar or guard, the boot of a sedan or a truck mirror. The high quality brass, delrin and stainless steel construction also make these UHF antennas ideal for use in the harsh marine or industrial environments.
The GID “Quick Fit” antenna top mounts onto a right-angle UHF female base
(available separately)
GID “Quick Fit” antenna top mounting accessories available separately
7994The right-angle UHF female base alone. You fit the necessary length of cable and fit a connector to suit the UHF radio.
Mounts into any bracket with 17 mm hole.
RA4.7The right-angle UHF female mounting base fitted with 4.7 metres of RG58 low loss stranded cable and UHF male solder connector supplied, not fitted.
MGBIM-UHFMagnetic base with UHF female connector, injection moulded black plastic body 10 cm diameter, heavy duty magnet, rubber pad base, 4.5 metres RG58U low loss cable un-terminated, no connector. Secures positively to any flat metal surface with no slippage.
Vehicle bull bar, guard, boot or truck mirror using bracket with 17 mm min diam hole
SPECIFICATIONS GID “Quick Fit” Series
6.6 dBiGain50 Watts50 Ohms
Factory
UHF male inside base
Maximum PowerImpedance
Tuning
Mounting
ConnectorPacked Weight
VerticalPolarisation
ConstructionBrass internals, UHF male connector inside chrome plated delrin base, detachable stainless steel whip with phasing coil
400 – 420 MHz White Cap 95 cmGID410-QF420 – 440 MHz Brown Cap 91 cm450 – 470 MHz Red Cap 86 cm470 – 490 MHz Blue Cap 82 cm500 – 520 MHz Yellow Cap 80 cm
380 grams (Quick Fit antenna top only)
Cable None
Select and order UHF female mounting accessories separately as you require
Recommended Mounting Positions
GID430-QFGID460-QFGID480-QFGID510-QF
VSWR Less than 1.5:1 across full band indicated
GRMWFC477Ground Independent Light Design
Frequency
ZCG Scalar, Head Office, 7 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 25 November 2011
Bandwidth470 – 490 MHz 20 MHz
GRMWFC477 is a ground independent, half wave, end fed mobile antenna factory tuned to cover the full UHF frequency range 470 to 490 MHz. The stainless steel whip with phasing coil stands 65 cm tall and delivers 2.1 dBi gain.
The stainless steel, delrin, copper and brass construction provides an extremely robust and durable antenna capable of surviving the harshest of conditions and treatment.
The lightweight design makes this antenna suitable for mounting in any position on a vehicle such as the bull bar or guard, the boot of a sedan or to a truck mirror.
Secure the antenna into any bracket with a minimum 10 mm diameter hole using the nut and washer on the threaded base.
4.5 metres of RG58 stranded cable bottom exits through the mounting base. The cable is fixed into the base, so the antenna top cannot be removed.
An FME female connector is fitted to the cable.
A FME Male to UHF Male adaptor is included in the kit to provide another common connector option.
Frequency
SPECIFICATIONS
UHF 470 to 490 MHz
2.1 dBiGain
Better than 1.5:1 across the full band
50 Watts
FME female fitted
65 cm
VSWR
Maximum PowerImpedance
Connector
HeightPacked Weight
Construction Stainless steel whip with phasing coil and blue cap, copper, brass, black delrin base
PolarisationOmnidirectionalH-Plane
GRMWFC477
Any bracket with minimum 10 mm diameter hole
50 OhmsVertical
400 grams
Bandwidth 20 MHz full band
Tuning Factory
Cable Fixed 4.7 metre RG58 stranded cable bottom exits
Adaptor FME Male to UHF Male Adaptor supplied
Mounting
GRUFCGround Independent UHF Half Wave
Frequency
ZCG Scalar, Head Office, 1 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 26 July 2011
Bandwidth420 – 520 MHz Specify any 15 MHz
The GRUFC ground independent UHF mobile antenna is a half wave, end fed design ideally suited for mounting to a vehicle bull bar or guard, the boot of a sedan or a truck mirror using the appropriate bracket. Specify any 15 MHz bandwidth within the UHF frequency range 420 to 520 MHz and your antenna will be factory tuned accordingly to better than 1.5:1 VSWR.
The antenna stands 1.1 metres tall and delivers 2.1 dBi gain. The stainless steel whip with delrin, copper and brass ferrule provides an extremely robust and durable antenna capable of surviving the harshest of conditions and treatment.
4.5 metres of RG58 low loss stranded cable bottom exits through the mounting base. The cable is fixed, so this option is ideal when a detachable antenna top is not desirable.
An FME female connector is fitted to the cable.
To provide another common connector option, an FME male to UHF male adaptor is included in the antenna kit.
Secure the antenna into any bracket with minimum 10 mm diameter hole using the nut and washer on the threaded base.
Vehicle bull bar, guard, boot or truck mirror using bracket with min 10 mm diam hole
SPECIFICATIONS GRUFC
2.1 dBiGain50 Watts50 Ohms
Factory
FME Female connector fitted to the cable,FME Male to UHF Male Adaptor supplied
Maximum PowerImpedance
Tuning
Connector and Adaptor
Packed Weight
VerticalPolarisation
Construction Stainless steel whip with copper, brass and black delrin base, fixed cable bottom exits
360 grams
Cable 4.5 metres of RG58 low loss stranded cable bottom exits through the base
Recommended Mounting Positions
VSWR Better than 1.5:1 across the bandwidth specified
UHF 420 to 520 MHzFrequency RangeSpecify any 15 MHz when orderingBandwidth
Height at 420 MHz 1.1 metres (reduces at higher frequencies)
360O OmnidirectionalH-Plane
M and MB SeriesUHF Whips
Frequency
ZCG Scalar, Head Office, 1 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 16 February 2011
Bandwidth400 – 520 MHz 20 MHz
These UHF whips offer excellent performance with 6.2 dBi gain. Factory tuned in various 20 MHz segments, they can be fitted to any antenna base with 5/16"–26 TPI thread and mounted in numerous locations, either fixed or mobile.
M series  whips are stainless steel with a phasing coil, brass ferrule and black powder coat finish.
MB series  are a fibreglass whip with copper braid, black heat shrink covering and chrome plated brass ferrule. These are well suited in situations where severe vibration is often encountered.
SPECIFICATIONS M series
6.2 dBiNominal Gain50 Watts50 Ohms
All models are factory tuned to less than 1.5:1 VSWR full band
Maximum PowerImpedance
Tuning
Stainless steel with phasing coil, brass ferrule, black powder coat finish
VerticalPolarisation
Construction
M410M430M460M480M510
70 cm, Black Tip
65 cm, Brown Tip
60 cm, Red Tip
56 cm, Blue Tip
53 cm, Yellow Tip
MB series
50 Watts50 OhmsVertical
Fibreglass, black heatshrink, chrome plated brass ferrule
Mount Ferrule 5/16"–26 TPI thread
6.2 dBi
5/16"–26 TPI thread
400 – 420 MHz420 – 440 MHz450 – 470 MHz470 – 490 MHz500 – 520 MHz
73 cm, White Band
71 cm, Brown Band
63 cm, Red Band
60 cm, Blue Band
59 cm, Yellow Band
Frequency
MB410MB430MB460MB480MB510
78 gramsPacked Weight 80 grams
Mounting bases recommended and available separately
OB-2Australian Standard UHF OB Base, Black, 5/16"–26 TPI thread, no cable, no connector
OB4.7OB-2 Base, Black, 4.7 metres RG58 low loss stranded cable, UHF male solder connector supplied (not fitted)
MGB-OBMagnetic OB-2 Base, steel with polished black powder coat finish, 10.5 cm diameter, heavy duty magnet, PVC matted pad on bottom, 4.7 metres RG58 low loss stranded cable side exits, no connector
All these antenna mounting bases will require a metal ground plane for effective performance. MS Base
The “MS Base” medium duty stainless steel spring with 5/16"–26 TPI male and female threads will suit any mobile whip being mounted onto our OB-2 antenna bases. Screw the spring onto the base and the whip onto the spring.
60 mm tall x 20 mm diameter. Â5/16"–26 TPI male and female threads. Â
M45THighly Flexible UHF Whip
Frequency
ZCG Scalar, Head Office, 1 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 16 February 2011
Bandwidth400 – 520 MHz Field Trim
Just 17 cm tall with 2.1 dBi gain, M45T is a highly flexible UHF whip ideally suited in situations where rough treatment and hard knocks will be commonplace.
Virtually unbreakable, construction consists of a multistranded stainless steel core, UV stabilised heatshrink covering and chrome plated brass ferrule.
Mount the whip to any antenna base with 5/16"–26 TPI thread and trim in the field to the desired frequency within the UHF range 400 to 520 MHz using an SWR meter.
Frequency Range
SPECIFICATIONS M45T
UHF 400 to 520 MHz
2.1 dBiNominal GainLess than 1.5:1
50 Watts50 Ohms
Trim in the field to the desired frequency using an SWR meter
17 cm
5/16"–26 TPI thread
VSWR
Maximum PowerImpedance
Tuning
Height prior trim
Mount Ferrule
Construction3/16" multistranded stainless steel core, UV stabilised heatshrink covering and chrome plated brass ferrule
VerticalPolarisation
32 gramsWeight
Mounting bases recommended and available separately
OB-2Australian Standard UHF OB Base, Black, 5/16"–26 TPI thread, no cable, no connector
OB4.7OB-2 Base, Black, 4.7 metres RG58 low loss stranded cable, UHF male solder connector supplied (not fitted)
MGB-OBMagnetic OB-2 Base, steel with polished black powder coat finish, 10.5 cm diameter, heavy duty magnet, PVC matted pad on bottom, 4.7 metres RG58 low loss stranded cable side exits, no connector
All these antenna mounting bases will require a metal ground plane for effective performance.
Whilst it is appropriate to calculate a dimension for a quarter wave whip, the final tuned length will depend heavily on the size, shape and nature of the ground plane. This can differ from a calculated length.
Remove the cap from the whip and always start your fine trimming at a longer length than calculated ! It is important to take your SWR meter readings with the cap back in place. Trim the whip length very gradually. Glue the cap permanently in place when finished.
CT400 SeriesLow Profile and Rugged
UHF Antennas
Frequency
ZCG Scalar, Head Office, 1 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 16 February 2011
Bandwidth400 - 530 MHz Select from Table
The low profile and rugged CT400 series of UHF mobile antennas are an ideal choice in situations where a traditional whip would be vulnerable to damage or vandalism.
Constructed from aluminium and delrin with a rubber mounting gasket, the antenna measures just 210 mm long, 60 mm wide and 60 mm high. It mounts to any flat metal surface by drilling five holes; four for bolts and one larger for the N-Female connector.
The metal surface acts as a ground plane and the antenna will produce a near omnidirectional radiation pattern with 2.1 dBi gain.
The N-Female connector protrudes through the metal surface to allow your feeder cable connected from underneath to be concealed and protected from damage. The thick rubber gasket provides a waterproof seal.
Typical applications suited for these low profile antennas include :
Trains 9Buses 9Forklifts 9Tractors 9Forestry Vehicles 9Logging Trucks 9
Police 9Ambulance 9Fire Brigade 9Emergency Services 9Security Services 9Mining 9
SPECIFICATIONS CT400 Series
UHF 400 to 530 MHz
2.1 dBi
< 1.5:1 across the bandwidth selected
100 Watts50 Ohms
Factory
Vertical
N-Female
530 gramsUse rubber sealing gasket as a template to mark hole positions for mounting bolt holes and N-Type connector clearance hole
Aluminium and delrin with rubber sealing gasket
Same as a normal 1/4 wave whipNear 360O omnidirectional
Frequency
VSWR
Maximum PowerImpedance
Tuning
Polarisation
Connector
Weight
Mounting
Nominal Gain
Construction
E-PlaneH-Plane
Dimensions 210 mm long x 60 mm wide x 60 mm high
Minimum Ground Plane 1.2 metres square
H-Plane
E-Plane
Bandwidth :Select from these fixed frequency ranges
400 to 420 MHz420 to 440 MHz440 to 470 MHz470 to 500 MHz500 to 530 MHz
Contents of Installation Kit supplied
1 x CT400 Low Profile UHF Mobile Antenna1 x Rubber Sealing Gasket4 x M6 Stainless Steel Bolts, Nuts and Spring Washers8 x M6 Stainless Steel Washers
SM39Multiband Scanning Whip
Frequency
ZCG Scalar, Head Office, 1 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 17 February 2011
Bandwidth40 – 950 MHz Full Band Receive
Standing 85 cm tall, SM39 is a very effective multiband scanning whip to receive transmissions by ambulance, police, airband and UHF commercial services. Factory tuned to cover the full frequency range 40 to 950 MHz, mount the whip to any antenna base with 5/16"–26 TPI thread.
SM39 is a low cost alternative to the B51H broadband discone base station antenna. It is also ideal for clients requiring a broadband mobile receiving whip of a practical size to mount on a vehicle.
Construction consists of multiple windings on a fibreglass rod with black UV stabilised PVC polyolefin heatshrink covering and chrome plated brass ferrule.
The windings and incorporated chokes on this antenna are designed to give strong resonances at bands of maximum interest to the scanning listener.
Please note that ZCG Scalar provide this antenna for legal use only and not for unauthorised listening.
Frequency Range
SPECIFICATIONS SM39
40 to 950 MHz Receive Only
1.9:1 typical averageNot for transmit
Factory
85 cm
5/16"–26 TPI thread
VSWRMaximum Power
Tuning
Height
Mount Ferrule
ConstructionMultiple windings on fibreglass core, UV stabilised PVC polyolefin heatshrink covering and chrome plated brass ferrule
VerticalPolarisation
155 gramsWeight
OB4.7-BNCOB-2 Base, Black, 4.7 metres RG58 low loss stranded cable, BNC male crimp connector fitted
OB-1.5BNCOB-2 Base, Black, 1.5 metres RG58 low loss stranded cable, BNC male crimp connector fitted
Mounting bases recommended and available separately
OB-2Australian Standard UHF OB Base, Black, 5/16"–26 TPI thread, no cable, no connector
OB4.7OB-2 Base, Black, 4.7 metres RG58 low loss stranded cable, UHF male solder connector supplied (not fitted)
MGB-OBMagnetic OB-2 Base, steel with polished black powder coat finish, 10.5 cm diameter, heavy duty magnet, PVC matted pad on bottom, 4.7 metres RG58 low loss stranded cable side exits, no connector
All these antenna mounting bases will require a metal ground plane for effective performance.
MS Base
The “MS Base” medium duty stainless steel spring with 5/16"–26 TPI male and female threads will suit any mobile whip being mounted onto our OB-2 antenna bases. Screw the spring onto the base and the whip onto the spring.
60 mm tall x 20 mm diameter. Â5/16"–26 TPI male and female threads. Â
ZN3-AM/FM-12AM/FM Heavy Duty
Vehicle Bull Bar Mount
ZCG Scalar, Head Office, 1 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 24 February 2011
The ZN3-AM/FM-12 super heavy duty AM/FM radio antenna is specifically designed for mounting to a vehicle bull bar. Standing 2.1 metres tall it will deliver maximum range over flat ground. Manufactured in Australia by ZCG Scalar, the high quality design is built to last.
Key features include :
The top whip is detachable for storage when not required. Â
A precision machined marine grade aluminium ferrule prevents water and dust ingress giving Âthe antenna a longer service life.
The machined aluminum radome cap stops water and dust ingress into the radome. Â
ZN3-AM/FM-12 is identical in appearance to our ZN3-77-12 antenna for UHF CB Radio. Â
Factory tuned for both AM & FM, this antenna is available with either a White or Black fibreglass radome. The heavy duty stainless steel barrel spring base bolts into any bracket with a minimium 12.7 mm (½") diameter hole.
5 metres of RG58 low loss stranded cable bottom exits through the mounting base. The cable is not terminated to allow easy installation through vehicle firewalls and dashboards. It is recommended that the cable be cut to the shortest length necessary prior to fitting the car radio connector supplied.
Frequency
SPECIFICATIONS ZN3-AM/FM-12W
AM 530 - 1600 KHz
Receive onlyGain
FM 88 - 108 MHz
50 Ohms
Factory
5 metres of RG58 low loss stranded cable bottom exits through the spring and mount bolt
Solderless Car Radio Connector2.1 metres, 1.6 kgSecure into any bracket with minimum 12.7 mm (½") diameter hole using the bolt and spring washer supplied
Impedance
Tuning
Cable
ConnectorHeight and Weight
Mounting
Construction
WhiteRadome Colour
VerticalPolarisation360O OmnidirectionalH-Plane
Vehicle bull bar. If required, the BBM-SS stainless steel mounting bracket is available
Recommended Mounting Position
ZN3-AM/FM-12B
Black
Installation Kit Contents
3 mm Allen key to remove antenna top1. PVC cap to cover exposed connector on base2. 6 x 100 mm cable ties, 2 x 200 mm cable ties3. “Easy Fit” solderless car radio connector.4.
Marine grade aluminium ferrule, coaxial feeder sections, reinforced internal fibreglass rod, foam tape packing to eliminate internal vibration, fibreglass radome, heavy duty stainless steel barrel spring
Frequency530 KHz - 108 MHz
BandwidthAM and FM Radio
ZN3-AM/FM-11AM/FM Radio Heavy DutyVehicle Bull Bar Mount
ZCG Scalar, Head Office, 1 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 24 February 2011
The ZN3-AM/FM-11 heavy duty AM/FM car radio antenna is designed for mounting to a vehicle bull bar. Standing 1.2 metres it will significantly improve your AM/FM reception, and is well suited to both hilly and flat ground. The robust design is purpose built by ZCG Scalar to survive harsh Australian conditions long term.
Key features include :
The top whip is detachable for storage when not required. Â
A precision machined marine grade aluminium ferrule prevents water and dust ingress giving Âthe antenna a longer service life.
The machined aluminum radome cap stops water and dust ingress into the radome. Â
This ZN3-AM/FM-11 is identical in appearance to the ZN3-77-11 antenna for UHF CB Radio. Â
Factory tuned for both AM and FM bands, the antenna is available with either a White or Black fibreglass radome. The heavy duty stainless steel barrel spring base bolts into any bracket with a minimium 12.7 mm (½") diameter hole.
5 metres of RG58 low loss stranded cable bottom exits through the mounting base. The cable is not terminated to allow easy installation through vehicle firewalls and dashboards. It is recommended that the cable be cut to the shortest length necessary prior to fitting the car radio connector supplied.
Frequency
SPECIFICATIONS ZN3-AM/FM-11W
AM Radio 530 - 1600 KHz
Receive onlyGain
FM Radio 88 - 108 MHz
50 Ohms
Factory
5 metres of RG58 low loss stranded cable bottom exits through the spring and mount bolt“Easy Fit” car radio solderless connector supplied, not fitted1.2 metres, 1.42 kgSecure into any bracket with minimum 12.7 mm (½") diameter hole using the bolt and spring washer supplied
Impedance
Tuning
Cable
Connector
Height and Weight
Mounting
Construction
WhiteRadome Colour
VerticalPolarisation360O OmnidirectionalH-Plane
Vehicle bull bar. If required, the BBM-SS stainless steel mounting bracket is available
Recommended Mounting Position
ZN3-AM/FM-11B
Black
Installation Kit Contents
3 mm Allen key to remove antenna top1. PVC cap to cover exposed connector on base2. 6 x 100 mm cable ties, 2 x 200 mm cable ties3. “Easy Fit” solderless car radio connector4.
Marine grade aluminium ferrule, coaxial feeder, precision, wound copper radiator coil, reinforced internal fibreglass rod, foam tape packing to eliminate internal vibration, fibreglass radome, heavy duty stainless steel barrel spring
Frequency530 KHz - 108 MHz
BandwidthAM and FM Radio
ZN3-AM/FM-10AM/FM Radio Medium Duty
Vehicle Bull Bar Mount
Frequency
ZCG Scalar, Head Office, 1 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 24 February 2011 530 KHz - 108 MHz
BandwidthAM and FM Radio
The ZN3-AM/FM-10 medium duty car radio antenna is designed for mounting to the bull bar of cars and smaller 4WD vehicles. Despite its smaller size, this model delivers an effective improvement to your AM/FM reception. It is well suited to both hilly and flat ground.
ZCG Scalar have purpose built the ZN3-AM/FM-10 antenna to survive harsh Australian conditions long term. Key features include :
The top whip is detachable for storage when not required. Â
A precision machined marine grade aluminium ferrule prevents water and dust ingress giving Âthe antenna a longer service life.
The machined aluminum radome cap stops water and dust ingress into the radome. Â
The ZN3-AM/FM-10 is indentical in appearance to the ZN3-77-10 antenna for UHF CB Radio. Â
Factory tuned for both AM and FM bands the antenna is available with either a White or Black fibreglass radome. The stainless steel barrel spring base bolts into any bracket with a minimium 12.7 mm (½") diameter hole.
5 metres of RG58 low loss stranded cable bottom exits through the mounting base. The cable is not terminated to allow easy installation through vehicle firewalls and dashboards. It is recommended that the cable be cut to the shortest length necessary prior to fitting the car radio connector supplied.
Frequency
SPECIFICATIONS ZN3-AM/FM-10W
AM 530 - 1600 KHz
Receive onlyGain
FM 88 - 108 MHz
50 Ohms
Factory
5 metres of RG58 low loss stranded cable bottom exits through the spring and mount bolt
Solderless car radio connector supplied, not fitted1.1 metres, 925 gramsSecure into any bracket with minimum 12.7 mm (½") diameter hole using the bolt and spring washer supplied
Impedance
Tuning
Cable
ConnectorHeight and Weight
Mounting
Construction
WhiteRadome Colour
VerticalPolarisation360O OmnidirectionalH-Plane
Vehicle bull bar. If required, the BBM-SS stainless steel mounting bracket is available
Recommended Mounting Position
ZN3-AM/FM-10B
Black
Installation Kit Contents
3 mm Allen key to remove antenna top1. PVC cap to cover exposed connector on base2. 6 x 100 mm cable ties, 2 x 200 mm cable ties3. “Easy Fit” solderless car radio connector4.
Marine grade aluminium ferrule, coaxial feeder, precision wound copper radiating coil, reinforced internal fibreglass rod, foam tape packing to eliminate internal vibration, fibreglass radome, stainless steel barrel spring
TC1100Vehicle Bull Bar MountAM/FM Radio Receive
Frequency
ZCG Scalar, Head Office, 1 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 17 February 2011
Bandwidth530 KHz – 108 MHz AM and FM Radio
Standing 2.2 metres tall, the TC1100 mobile antenna is designed to mount to a vehicle bull bar and has been optimised to pull in even the weakest AM and FM radio signals.
Truly ground independent, no metal ground plane is necessary. Due to size, mounting this antenna to the vehicle guard, boot or mirror is not practical.
High quality components are used to ensure long term survival in the harsh Australian environment. Available with either a White or Pink fibreglass radome, the mount ferrule is chrome plated brass with a heavy duty stainless steel parallel spring.
The antenna is firmly secured into any 12.7 mm (½") minimum diameter hole using the bolt and spring washer provided. If required, the BBM-SS stainless steel bull bar bracket is available to order separately.
5 metres of RG58 low loss stranded cable side exits from the chrome brass ferrule. An “easy fit” solderless car radio connector is supplied.
This TC1100 antenna is identical in appearance to : TC1600A Â , NEXT G Cellular Mobile Phone.TC1600D Â , GSM Cellular Mobile PhoneTCMA675 Â , UHF CB Radio 477 MHz.
The “TPM” antenna top whip only without any spring is available to order separately.
The antenna top may be used to replace a damaged radome.
Construction
SPECIFICATIONS TC1100
Gain
PolarisationH-Plane
Impedance
Tuning
Frequency
Connector
Mounting
Receive Only
360O Omnidirectional
50 Ohms
AM Radio 530 to 1600 KHzFM Radio 88 to 108 MHz
Factory
Secure into any 12.7 mm (½”) minimum diameter hole using the bolt and spring washer supplied
Tapered fibreglass radome, chrome plated brass ferrule, brass adaptor, stainless steel parallel spring
Vertical
A solderless car radio connector is suppliedHeight 2.2 metresWeight 1.5 kg
Recommended Mounting Position
Vehicle bull bar. If required, the BBM-SS stainless steel mounting bracket is available separately.
Cable 5 metres of RG58 low loss stranded cable side exits from the chrome plated brass mount ferrule
Radome Colour White Pink
TC1100P
Replacement Top TC1100-TPM TC1100P-TPM
An “easy fit” solderlesscar radio connector is supplied.
SG1100Vehicle Bull Bar MountAM/FM Radio Receive
Frequency
ZCG Scalar, Head Office, 1 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 17 February 2011
Bandwidth530 KHz – 108 MHz AM and FM RADIO
The SG1100 antenna can also be mounted to the vehicle guard or boot using the appropriate bracket.
However, clients should first consider the lighter SGL1100, CR66-HD, CR66 or CR36 models specifically designed for this purpose.
Standing 90 cm tall, the SG1100 mobile antenna is designed to mount to a vehicle bull bar and will significantly improve your AM and FM radio reception.
Manufactured from the finest quality components, the robust antenna design is purpose built to survive harsh Australian conditions long term.
The fibreglass radome is available in either Black or White.
Secure the antenna firmly into any bracket with a 12.7 mm (½”) minimum diameter hole using the bolt and washer provided.
The high quality electro-polished stainless steel barrel spring dampens vibrations while travelling.
5 metres of RG58 low loss stranded cable side exits from the aluminium mount ferrule. An “easy fit” solderless car radio connector is supplied.
This SG1100 antenna is identical in appearance to :SGDB Â Multiband NEXT G and GSM Mobile Phone.SG477 Â 477 MHz UHF CB Radio.
The “TPM” antenna top only without any barrel spring is available to order separately.
This antenna top can be used to mount in locations other than on a vehicle, or to replace a damaged radome.
Frequency
SPECIFICATIONS SG1100B
AM Radio 530 to 1600 KHzFM Radio 88 to 108 MHz
Receive OnlyGain50 Ohms
Factory
5 metres RG58 stranded cable side exits from the aluminium mount ferrule
A solderless car radio connector is supplied90 cm900 gramsSecure into any bracket with minimum 12.7 mm (½") diameter hole using the bolt and spring washer supplied
Impedance
Tuning
Cable
ConnectorHeightWeight
Mounting
Construction Fibreglass radome, aluminium mount ferrule, electro-polished stainless steel barrel spring
BlackRadome Colour
VerticalPolarisation360O OmnidirectionalH-Plane
Vehicle bull bar. If required, the BBM-SS stainless steel mounting bracket is available
Recommended Mounting Position
White
SG1100W
Replacement Top SG1100B-TPM SG1100W-TPM
An “easy fit” solderlesscar radio connector is supplied.
Frequency Bandwidth530 KHz – 108 MHz AM and FM RADIO
SGL1100Vehicle Mount
AM/FM Radio Receive
ZCG Scalar, Head Office, 1 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 17 February 2011
The SGL1100 antenna can also be mounted to a vehicle bull bar. However, clients should first consider other models in the ZCG Scalar range specifically designed for a bull bar.
Perfect for mounting to a vehicle guard, the boot of a sedan or to a truck mirror, the SGL1100 light design mobile antenna will significantly improve your AM and FM radio reception while travelling. No metal ground plane is necessary for effective performance.
This antenna is manufactured from the finest quality components and will survive harsh Australian conditions long term.
Standing 75 cm tall, the antenna mounts simply into any bracket with a 16 mm minimum diameter hole and is secured firmly by the nut and washer at the base. The electro-polished stainless steel spring dampens vibrations while travelling and maintains the antenna in a vertical position for the optimum receive performance at any speed.
5 metres of RG58 low loss stranded cable bottom exits through the spring and mount ferrule. A solderless car radio connector is supplied.
The fibreglass radome is available in either Black or White.
This SGL1100 antenna is identical appearance to : SGLDB Â , Multiband NEXT G and GSM Mobile Phone, andSGL477 Â , 477 MHz UHF CB Radio.
SPECIFICATIONS SGL1100B
Frequency
VSWR
Impedance
Tuning
Polarisation
Cable
ConnectorHeightWeight
Mounting
Gain
Radome Colour
Construction
Recommended Mounting Positions
AM Radio 530 to 1600 KHzFM Radio 88 to 108 MHz
Receive Only
Less than 1.5:1
50 Ohms
Factory
Vertical
5 metres RG58 low loss stranded cable bottom exits through spring and ferrule
A solderless car radio connector is supplied75 cm650 grams
Secure into any 16 mm minimum diameter hole using the nut and washer in the base
BlackFibreglass radome, copper radiating elements, aluminium ferrule,electro-polished stainless steel spring
Vehicle guard, vehicle boot or truck mirror. A mounting bracket is available separately.
SGL1100W
White
An “easy fit” solderlesscar radio connector is supplied.
CR SeriesAM/FM Radio Receive Whips,
Base and Cable Sets
Frequency
ZCG Scalar, Head Office, 1 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 17 February 2011
Bandwidth530 KHz – 108 MHz AM and FM Radio
To boost AM and FM radio reception, these fibreglass braided whips with UV stabilised black cover offer supurb performance. Supplied with a mounting base and cable set, these lightweight antennas are ideal for mounting in various positions on a vehicle, or in some other fixed location.
CR66-HD Â is a heavy duty whip standing 1.83 metres tall (6 feet) and offers the very best reception range practical in a mobile car radio antenna.CR66 Â is a lighter whip 1.5 metres tall.CR36 Â is the shortest available at 1 metre.
The CRBL mounting base supplied with each whip has 4 metres of RG58 low loss stranded cable with a car radio connector fitted. The base can be secured into any 17 mm diameter hole. A variety of brackets can be supplied to suit your intended mounting position.
Replacement top whips are also available.
The CRBL base and 4 metre RG58 cable set supplied can be secured into any 17 mm diameter hole (minimum).A car radio connector is fitted to the cable.Typical mounting positions include a vehicle bull bar, vehicle guard, the boot of a sedan or a truck mirror using the appropriate bracket.
SPECIFICATIONS CR66-HD
Receive OnlyGainFactoryTuning
ConstructionFully braided whip with fibreglass core, black UV stabilised heatshrink cover, chrome plated brass ferrule with 5/16"–26 TPI threadAM 530 KHz to 1600 KHz, FM 88 MHz to 108 MHzFrequency
Polarisation
CR66 CR36
Factory FactoryReceive Only Receive Only
50 OhmsImpedance 50 Ohms 50 OhmsVertical Vertical Vertical
H-Plane Omnidirectional Omnidirectional Omnidirectional
Height 1.83 metres 1.5 metres 1 metre
Packed Weight including CRBL 500 grams 350 grams 310 grams
Base and Cable Set supplied
CRBL : OB Base fitted with 4 metres of RG58 low loss stranded cable, car radio connector fitted
Replacement Top Whip Only CR66-HDW CR66W CR36W
Optional Base with longer Cable
CRBL-6 : OB Base fitted with 6 metres of RG58 low loss stranded cable, car radio connector fitted
CT90Low Profile, Rugged and Covert
FM Radio Receive Antenna
Frequency
ZCG Scalar, Head Office, 1 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 27 April 2011
Bandwidth88 – 108 MHz Full FM Band
CT90 is a low profile, rugged and covert mobile antenna factory tuned to receive FM radio transmissions. Virtually unbreakable, this model is the ideal choice in situations where a traditional long whip would be vulnerable to damage or vandalism.
Constructed from aluminium and delrin with a neoprene rubber gasket, the antenna measures 800 mm long, 60 mm wide and 100 mm high.
CT90 mounts to any flat metal surface by drilling seven holes; six for bolts and one larger for the N-Female connector. The metal surface must be at least 1.2 metres square and acts as a ground plane. The antenna will then produce a near omnidirectional radiation pattern, the same as a 1/4 wave whip.
An N-Female connector protrudes through the metal surface to allow your feeder cable connected from underneath to be concealed and protected from damage. The thick neoprene rubber gasket provides a waterproof seal.
Typical applications suited for this low profile antenna include :
Trains 9Buses 9Forklifts 9Tractors 9Forestry Vehicles 9Logging Trucks 9
Police 9Ambulance 9Fire Brigade 9Emergency Services 9Security Services 9Mining 9
H-Plane
E-Plane
SPECIFICATIONS CT90
88 to 108 MHz
Receive only< 1.5:1 at centre of band, < 2:1 across full band
50 OhmsVertical
N-Female
1.6 kg
6 x stainless steel M6 bolts and neoprene sealing gasket supplied. Drill 7 holes in metal ground plane surface using the gasket as a template.6 holes for bolts, 1 larger for N-Female connector. N-Female protrudes through ground plane andlow loss feeder cable connects from underneath.
Aluminium and delrin with neoprene rubber sealing gasket and M6 stainless steel bolts
Same as a normal 1/4 wave whipNear 360O omnidirectional
Frequency Range
VSWR
ImpedancePolarisation
Connector
Weight
Mounting
Nominal Gain
Construction
E-PlaneH-Plane
Dimensions 800 mm long x 60 mm wide x 100 mm high
Metal Ground Plane Minimum 1.2 metres square required
Bandwidth Full FM Radio band
ZAU seriesMultiband GPS low noise
NEXT G and GSM mobile phone antenna
Frequency
ZCG Scalar, Head Office, 7 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 15 July 2012
Bandwidth824 – 1990 MHz See Below
For both AVL Automatic Vehicle Location systems and cellular mobile phone, the ZAU series deliver a highly sensitive multiband mobile antenna solution ideal for fleet management.
9 GPS global positioning system 1575.42 MHz with cutting edge low noise amplifier.
9 NEXT G cellular mobile phone network.
9 GSM cellular mobile phone network.
64.5 mm in diameter, this small, low profile, covert, waterproof and rugged antenna mounts into any 13 mm minimum diameter hole.
Typical mount positions are to a vehicle roof, bull bar, the rear boot lid or inside the cabin on the dashboard.
The small size means that mounting to a truck mirror is also possible.
The RG174 feeder cables bottom exit through the base and are terminated with SMA Male and FME Female connectors for easy connection to GPS and mobile phone devices.
SPECIFICATIONS GPS Antenna
27 dB typicalRight-Hand Circular
2 metres RG174bottom exits
SMA Male fitted
64.5 mm diameter x 14 mm high
1575.42 MHz
High performance GPS patch antenna with cutting-edge low noise amplifier
Polarisation
Cable
Connector
Dimensions
Mounting
Gain
Frequency
Features
RecommendedMounting Positions
Vehicle roof, bull bar, the rear boot lid, inside the cabin on the dashboard or to a truck mirror
NEXT G and GSM Antenna
Multiband NEXT G and GSM cellular mobile phone network coverage
824 – 960 MHz and1710 – 1990 MHz
1.0 dBi--
1.8 maximumNoise Figure --20 db min @ F0 ± 50 MHzAttenuation --
Bandwidth 10 MHz
72 MHz for 824 – 896 MHz80 MHz for 880 – 960 MHz170 MHz for 1710 – 1880 MHz140 MHz for 1850 – 1990 MHz
VSWR Less than 1.5:1 Less than 1.5:1Impedance 50 Ohms 50 Ohms
Power Supply Power Consumption2.5 – 5.5 Volts DC / 13 mA
Power Handling Capacity10 Watts
FME Female fittedOperating Temp -40OC to +85OC -40OC to +85OCStorage Temp -45OC to +100OC -45OC to +100OC
64.5 mm diameter x 14 mm high
Through any 13 mm min diameter hole Through any 13 mm min diameter hole
Model Order Codes ZAU-3C2M-GC
3 metres RG174bottom exits
ZAU-3C3M-GC
5 metres RG174bottom exits
ZAU-3C5M-GC
ALL-IN-ONE MultibandNEXT G, GSM, 3G Cellular Mobile Phone,
GPS and Wi-Fi Antenna
Frequency
ZCG Scalar, Head Office, 7 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 2 July 2012
Bandwidth804 MHz – 2.48 GHz See Page 2– Page 1 of 2 –
This single model GCRFA antenna will provide reception for ALL of these applications :
9 NEXT G cellular mobile phone network. 9 GSM cellular mobile phone network. 9 3G cellular mobile phone network. 9 GPS global positioning system, 1575.42 MHz. 9 Wi-Fi, 2.4 GHz.
100 mm in diameter, this compact antenna may be secured through a 20 mm hole to any flat surface or bracket using the 28 mm long bottom thread and screw nut.
Typical mounting positions are to a vehicle or in a fixed location on a building.
The 5 metre cables bottom exit through the base and are terminated with SMA Male connectors. Each lead is labelled.
The alternative model GCT provides both Mobile Phone and GPS reception, but not Wi-Fi.
Detailed specifications for the GCRFA and GCT antennas appear on the following page. SMA Male connectors fitted. Each lead is labelled.
GCTMobile Phone and GPS(not Wi-Fi)
GCRFAMobile Phone, GPS and Wi-Fi
ALL-IN-ONE MultibandNEXT G, GSM, 3G Cellular Mobile Phone,
GPS and Wi-Fi Antenna
Frequency
ZCG Scalar, Head Office, 7 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
MOBILEANTENNAS
Section 4a
Updated 2 July 2012
Bandwidth804 MHz – 2.48 GHz See Page 2– Page 2 of 2 –
Construction
3 x SMA Male fitted 2 x SMA Male fitted
3 x 5 metres of RG174/U1 x 5 metres of RG174/U1 x 5 metres of RG58/AU
ABS Acrylonitrile Butadiene Styrene, PC polycarbonate, Cream in colour
Connectors
Coaxial Cable
DiameterRadome Height
Weight
Mounting
100 mm39 mm
280 grams
Secure to any flat surface or bracket through 20 mm hole using the28 mm long bottom thread and screw nut
Cellular Mobile Phone Antenna : GCRFA and GCT
Frequency Coverage
Tuning and VSWR
Bandwidth
Polarisation
NEXT G, GSM and 3G networks combined804 ─ 960 MHz, 1710 ─ 1880 MHz, 1850 ─ 1990 MHz, 1920 ─ 2170 MHzFactory tuned to less than 2:1 across each specified frequency range
20 MHz minimum at -10 dB
Right Hand Circular4 dBic minimum (7 cm x 7 cm ground plane)Peak Gain
2.4 – 2.4835 GHz
360O Omnidirectional50 Ohms
25 WattsPattern
Impedance
Maximum PowerGPS Active Patch Antenna : GCRFA and GCT
Frequency Coverage 1575.42 MHz ± 3 MHzTuning and VSWR Factory tuned to 1.5:1 maximum
Axial Ratio 3 dB Typical50 OhmsImpedance
Amplifier ModuleType AType B
Amplifier Gain, no cable
27 dB typical1.4 dB typicalNoise Figure
1.4 dB typical
Output VSWR
2.0 maximum
DC Voltage3.0 V to 5.5 V2.7 V to 6.0 V
DC Current22 ± 5 mA
8.5 ± 4.5 mA
Wi-Fi Antenna : GCRFA (not supported by GCT)Frequency Coverage
Tuning and VSWR Factory tuned to less than 2:1 across the specified frequency range50 OhmsImpedance360O OmnidirectionalPattern25 WattsMaximum Power
Mechanical Specifications : GCRFA and GCT
Cable and Connectors : GCRFA GCT
ZMA-25Mobile GPS Antenna
with Low Noise AmplifierFrequency : 1575.42 MHz
MOBILEANTENNAS
Section 4a
Updated 3 May 2012 – Page 1 of 2 –
ZCG Scalar, Head Office, 7 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
The ZMA-25 mobile GPS antenna is compact and sensitive with a low noise amplifier to receive very weak signals.
Typical Applications
 Vehicle GPS.  Bluetooth receiver.  Vehicle tracking navigation system.  AVL / Fleet management system.  External antenna for handheld GPS.  External antenna for PDA navigator.
Key Features
 Low profile compact construction.  High sensitivity, high gain 28 dB.  Low noise figure.  Water resistant.  Magnetic or adhesive mount base.  Excellent temperature stability.
Sample radiation patterns
Gain 28 db ± 4.5 dB
Noise FigureSupply Voltages
Bandwidth
Current Consumption
1.5 dB Typical
2.5 to 5.5 Volts DC
10 MHz minimum @ S11 ≤ -10 dB
2.7 to 2.9 Volts : 10.6 mA ± 1 mA5 Volts : 11.5 mA ± 1 mA
SPECIFICATIONS ZMA-25
ConstructionDimensions
Polycarbonate radome top, diecast bottom shell, rubber gasket for waterproof seal
46 mm long x 38 mm wide x 12.5 mm high
Fakra Blue Type D fitted (as standard)
Right Hand Circular
Magnet mount with two magnets and screw mount
50 grams (Excluding cable and connector)
Customised metal sheet
Standard MountingWeight
Optional Mounting Plate
Construction Materials and Mounting
5 metres of RG174/U (Other lengths available)
Connector Options
RF CablePulling Strength 6 kg for 5 seconds with molded plastics on connector end for strain relief
Antenna Element
3 dBic Typical90O : 2.0 dBi minimum20O : -5.0 dBi minimum
PolarisationAbsolute Gain At Zenith
Gain
Axial Ratio
Low Noise Amplifier (LNA)
90O : 3.0 dBi minimumMounted on 60 mm x 60 mm square ground plane
Output ImpedanceOutput VSWR
50 Ohms
2.0 maximum
Overall Performance (Antenna Element, LNA and Cable)Centre Frequency
Gain
1575.42 MHzAt 90O : 30 ± 4.5 dBi – Cable Loss (-1.2 dB/m)Mounted on a 60 mm x 60 mm square ground plane
Output ImpedanceVSWR
50 Ohms
2.0 maximum
Environmental ConditionsOperating Temperature -40OC to +85OC
Storage Temperature -40OC to +85OC
Relative Humidity 95% non-condensing
Mounted on a 60 mm x 60 mm square ground plane
ZMA-25-SMC
SMC Male Sub-Miniature Type C fitted
ZMA-25-SMA
SMA Male Sub-Miniature Type A fitted
ZMA-25Mobile GPS Antenna
with Low Noise AmplifierFrequency : 1575.42 MHz
MOBILEANTENNAS
Section 4a
Updated 3 May 2012 – Page 2 of 2 –
ZCG Scalar, Head Office, 7 Hall Street, PO Box 7, Lindenow, Victoria, 3865, AustraliaTelephone (03) 5157-1203, Fax (03) [email protected]
Sample Radiation Patterns