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VHF/UHF Multiple Dipole Antenna

118 to 137 MHz & 225 to 450 MHz

SKU: 20-50-22

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VHF/UHF Multiple Dipole Antenna

The 20-50-22 is a stacked pair of dipoles having proprietary feed circuitry to provide isolation and efficiency over the VHF ATC and UHF communions band. It is ideal for applications requiring co-sited antennas where mutual interference would otherwise be a problem.

Construction uses a high integrity composite cylindrical radome with internally foamed-in-place radiating elements. The antenna has a four-hole CECOM type base plate for mounting to a mast head or vehicle and the antenna elements are grounded and fully environmentally sealed. Inherent isolation is 15 dB and can be increased by use of in-line filters (available separately). 

  • Rugged, lightweight construction.
  • Low Silhouette
  • Full VHF ATC band plus extended UHF (EPLARS).
  • Easy masthead installation.
  • High radiation efficiency.
  • Twin, isolated output.
  • Designed to MIL-STD-810G environmental for all weather operations.
  • Suitable for fixed, transportable and mast-mounted applications.
20-50-22
Model # 20-50-22
Brand Cooper Antennas
Frequency

118-137 MHz

225-450 MHz

Gain (typical) 0 dBi
VSWR ≤ 2.25:1
Impedance (nominal)  50 Ohms
Power 100 Watts CW
Isolation 15 dB 
Radiation Patern Omni-directional within ±1dB “Doughnut” in elevation
Antenna RF Connector

1 x N Female (UHF)

1 x TNC Female (VHF)

Overall Height 84 inches (2134mm) max 
Element dia.   3 inches (76.2 mm)
Weight 10 lbs (4.55kg 
Wind Loading In excess of 100mph (160km/hr) 
Operating Temp -51°C to +71°C

Finish

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

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