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UHF Airborne Antenna

380 MHz to 480 MHz

SKU: 21-30-66

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UHF Airborne Antenna

The 21-30-66 is an externally mounted airborne stub antenna operating over the UHF frequency band of 380-480 MHZ

A fiberglass rod with an internal element is fitted into a glass loaded thermoplastic housing which contains foamed-in place matching circuits capable of handling up to 50 Watts power. An aluminum base plate provides ground plane connection to airframe and carries a TNC female coaxial connector.

The method of construction provides protection from severe environmental conditions including high vibration, shock and temperature variations. 

  • Lightweight
  • Covers Tetra and UHF/FM Frequency Band
  • Suitable up to 350 Knots
  • Fully Environmentally Sealed
  • Less than 8 inches height
  • TNC Connector
  • DC grounded element 
21-30-66
Model # 21-30-66
Brand Cooper Antennas
Frequency 380 to 480 MHz 
Gain ≥ + 2 dBi average 
VSWR ≤ 2.0:1 
Impedance (nominal) 50 Ohms
Power 50 Watts
Polarization Linear (vertical when vertically mounted)
Radiation Nominally omni directional in azimuth plane
Antenna RF Connector  TNC Female
Construction Fibreglass whip/ glass loaded thermoplastic base
Height 6.5 inches (165 mm) 
Weight 0.35 lb (0.16kg)
Base Plate Shape Tear drop
Fixing Holes 4 x Ø 0.170 inches (4.3mm) ±0.005 inches (0.127mm) holes, counter sunk at 100° Ø 0.280 inches (7.1mm). 

Finish

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

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