VHF Airborne Blade Antenna

156 to 174 MHz

SKU: 21-20-88-1

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VHF Airborne Blade Antenna

The 21-20-88-1 is a high performance VHF airborne blade antenna suitable for aircraft operating in excess of Mach 2.

Mechanical design of the blade comprises an internal printed circuit, foamed-in-place into a high strength epoxy-glass radome fitted to an aluminum alloy base block having an integral mounting flange and finished in epoxy lusterless grey.

Structural design ensures high side loading acceptance as required on high speed military aircraft. 

  • Covers 156 to 174 MHz
  • High Strength Composite Blade with Aluminum Alloy Base Block
  • Single ‘TNC’ Connector
  • Environmental Performance to MIL-STD-810
  • Fully sealed for environmental integrity.
21-20-88-1
Model # 21-20-88-1
Brand Cooper Antennas
Frequency 156 MHz to 174 MHz 
Gain (typical)  0 dBi minimum at the maximum of pattern when mounted at center of an 8 foot (2.4m) minimum diameter ground plane. 
VSWR ≤ 2.5:1 
Impedance (nominal) 50 Ohms
Power 25 Watts CW
Polarization Essentially Vertical (when mounted vertically) 
Radiation Nominally omni directional in azimuth plane
Antenna RF Connector  TNC Female
Antenna Shell Type  Glass loaded resin plastic blade 
Height 6 inches (152mm) 
Weight 2 lbs (0.9kg)
Side Loading ≥ 6 psi ultimate
Fixing Holes 4 x Ø 0.209 inches (5.3mm) holes, counter sunk 100° Ø 0.413 inches (10.5mm)

Finish

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

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