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Multi-band VHF/UHF, Communications Antenna

30 to 174 MHz, 225 to 512 MHz

SKU: 21-50-83

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Multi-band VHF/UHF, Communications Antenna

 The 21-50-83 is a rugged multifunction VHF/UHF communications antenna designed for airborne applications. A high strength vertical shell houses 30 - 174 and 225 - 512MHz linear elements to be used with separate VHF & UHF line of sight “LOS” communications radios. Footprint is compatible with Collins 437S-1H and Chelton 12-437 series antennas.

  • Aero-dynamic design
  • Light weight/ high strength
  • Fully environmentally sealed
  • Internal VHF/UHF filters
  • Full 30-512 MHz LOS communications
  • AN/ARC-210, AN/ARC-231, ARC164 & SINCGARS compatible.
  • Designed to MIL-STD-810 Environmental Conditions
21-50-83
Model # 21-50-83
Brand Cooper Antennas
Frequency

30-174 MHz / 225-512 MHz 

Gain

≥ -19 dBi @30 MHz

≥ -7 dBi @88 MHz

≥ -1 dBi (average) over 118 -174 MHz

≥ 0 dBi to +3 dBi over 225 - 512 MHz 

VSWR

≤ 2.5:1 

Impedance (nominal) 50 Ohms for both ports 
Power

50 Watts (30 – 88 MHz)

50 Watts (118 - 174 MHz )

100 Watts (225 - 512 MHz)

Polarization

Vertical

Antenna RF Connector

UHF

VHF

N Female

TNC Female 

Height 13 inches max (330 mm) 
Weight 6.5 lbs (2.95 kg) 
Fixing Holes 8 x Ø 0.205 inches (5mm) holes, counter bore Ø 0.43 inch (10.9mm) 

Finish

  • Antenna - Urethane Lusterless Black
  • Baseplate - Unpainted, Alocrom 
  • Other finish options are available.
  • Please specify finish required when ordering.
Datasheet:

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