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Combined UHF Airborne Blade Antenna

400-1000 MHz

SKU: 21-50-19

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Combined UHF Airborne Blade Antenna

The 21-50-19 is a high performance upper UHF airborne blade antenna suitable for helicopters and fixed wing aircraft.

Construction is from a one piece glass loaded thermoplastic blade molding with an aluminum alloy baseplate which houses the matching circuits and provides for very solid attachment to the airframe via 6 fixing holes drilled to the same pattern as the AT-256 UHF antenna.

Internal radiating element are shaped in such a way as to produce minimum VSWR and also to optimize radiation. The antenna assembly is sealed by closed cell foam and finished in lusterless black or grey urethane paint

21-50-19
Model # 21-50-19
Brand Cooper Antennas
Frequency 400-1000 MHz continuous coverage 
Gain +2dBi
VSWR ≤ 2.5:1 
Impedance (nominal) 50 Ohms
Power 50 Watts CW 
Polarization Vertical (Horizontal ≤ 10dB) 
Radiation Pattern Nominally Omni directional in azimuth plane  
Antenna RF Connector TNC Female
Antenna Shell Type Glass loaded thermoplastic blade with aluminum alloy base plate 
Height 6 inches (152mm) 
Weight 0.75 lbs (0.34kg) max
Side Loading  ≥ 8 psi ultimate 
Base Plate Shape Diamond shape
Fixing Holes 6 x Ø 0.2 inch (5.08mm) holes, spot faced Ø 0.43 inches (10.9mm) 

Finish

  • Gloss White
  • Other finish options are available.
  • Please specify finish required when ordering.
Datasheet:

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