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VHF/UHF/L-Band Airborne Blade Antenna

30 to 512 MHz 960 to 1220 MHz

SKU: 21-50-114

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VHF/UHF/L-Band Airborne Blade Antenna

The 21-50-114 is a low profile blade antenna providing excellent UHF and L-Band performance while also providing frequency coverage in the 30-88 and 108-174 MHz bands. Radiating element design is optimized to provide excellent gain and omni-directivity in azimuth over the full 225-512 MHz and 960-1220 bands while VHF provides moderate performance only due to the antenna’s very low height.

Construction uses a glass epoxy radome bonded into an aluminum alloy base plate which carries a TNC type and SC connector and contains internal filters to isolate signals between V/UHF and L-Band. The antenna is suitable for rotary and fixed wing aircraft operating in excess of Mach 1. 

  • Very low height 8.2"
  • 50 dB isolation with in-built filters
  • Very wide band with no tuning required
  • Designed to MIL-STD-810
  • Fully environmentally sealed
  • Suitable for Link 16, IFF, Tacan 
Model # 21-50-114
Brand Cooper Antennas

30-88 MHz

116-174 MHz

225-512 MHz

960-1220 MHz


30-88 -40 dBi

116-174 -15 dBi

225-512 +2 dBi

960-1220 +2 dBi 


2.0:1 L-Band

2.5:1 max VHF/UHF 

Impedance (nominal) 50 Ohms
Power Handling

25 Watts (average)

V/UHF 2 KW peak L-Band 




50 dB minimum between V/UHF and L-Band 

Antenna RF Connector

Type SC Female (L-Band)

Type TNC Female (V/UHF)

Height 8.2 inches (208 mm)
Weight 2.1 lbs (0.96kg) max 


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



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