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Low Profile VHF/UHF Antenna

108 to 460 MHz

SKU: 20-50-80

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Low Profile VHF/UHF Antenna

The 20-50-80 is a wideband discone intended for use as a mast-head mounted VHF/UHF antenna when using its integral radial ground plane, or as a vehicular/ shelter antenna without the radial ground plane when installed on an appropriate conducting surface. The antenna comprises a rugged fiberglass radome containing a specially contoured VHF/UHF discone and associated matching circuits.

All external metalwork is treated aluminum alloy and the removable ground plane has an L-shape bracket to facilitate clamping to the top of a mast.

The entire radome/antenna assembly is foam filled and fully sealed for environmental protection. 

  • Suitable for mast, vehicle and ship installations.
  • Ground plane can be removed for vehicular use.
  • Rugged, fully sealed construction.
  • High efficiency throughout full VHF and UHF communication bands.
  • Designed to MIL-STD-810 Environmental Conditions.
20-50-80
Model # 20-50-80
Brand Cooper Antennas
Frequency 108 - 460 MHz
Gain (typical) ≥ 0dBi rising to +2dBi @ 460 MHz
VSWR 3.0:1
Impedance (nominal)  50 Ohms
Power 200 Watts Max
Polarization Vertical
Antenna RF Connector N Female
Total Height 27.56 inches (700mm) max

Diameter (over ground plane radials) 

35.43 inches (900mm) max

Weight 13.2 lbs (6kg) 
Wind Loading At least 100mph (160km/hr)
Operational Temp  -54°C to +70°C 

Finish

  • Antenna - Urethane lusterless Black
  • Other finish options are available.
  • Please specify finish required when ordering.
Datasheet:

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