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UHF/L-Band Airborne Blade Antenna

225 - 400MHz & 960 - 1220 MHz

SKU: 21-50-23

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UHF/L-Band Airborne Blade Antenna

The 21-50-23 is a vertically polarized combined antenna suitable for UHF communications and Lband, IFF, TACAN, MIDS, LINK16 applications.

This antenna uses advanced, high temperature composite material suitable for use on all subsonic airborne platforms as well as supersonic aircraft operating up to Mach 2+.

The antenna is fully sealed to ensure reliability in world wide conditions of service. Separate UHF and L-band connectors are provided. Separate UHF low pass (21-80-04) and L-Band high pass (21-80-03) are available and recommended when simultaneous operation of both bands is required. 

  • Suitable for Subsonic and Supersonic Aircraft
  • Lightweight / High Strength
  • Designed to MIL-STD-810 Environmental conditions
  • Covers UHF Comms & IFF / TACAN / Link 16 / JTDS / MIDS
  • Elements DC grounded
  • Separate N-Type and TNC connectors 
21-50-23
Model # 21-50-23
Brand Cooper Antennas
Frequency 225 - 400 MHz and 960 - 1220 MHz 
Gain

225-400 MHz +2dBi average

960-1220 MHz +2dBi average

VSWR

≤ 2.25:1 225 - 400 MHz

≤ 2.0:1 960 - 1220 MHz 

Impedance (nominal) 50 Ohms
Power UHF - 50 Watts CW, L-band - 200 Watts CW 
Polarization Essentially vertical (when mounted vertically) 
Antenna RF Connector

UHF - TNC Female

L-Band - N Female 

Antenna Shell Type High density foam filled high temperature composite shell set on to aluminum alloy base
Height 10 inches (254mm) 
Weight 4 lbs (1.81Kg) 
Side Loading  ≥ 8 psi ultimate 
Base Plate Shape Symmetrical ellipse 
Fixing Holes 10 x Ø 0.200 inches (5mm) holes

Finish

  • Urethane Lusterless Black Standard
  • Other finish options are available.
  • Please specify finish required when ordering.
Datasheet:

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