UHF Airborne Antenna

420 MHz to 470 MHz

SKU: 21-30-69

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UHF Airborne Antenna

The 21-30-69 is an externally mounted airborne stub antenna operating over the UHF frequency band of 420-470 MHZ.

A fiberglass rod with an internal element is fitted into an aluminum base which contains foamed-in place matching circuits capable of handling up to 50 Watts power.

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

  • Covers 420-470 MHz Frequency Band
  • Suitable up to 350 Knots
  • Fully Environmentally Sealed
  • Meets AS-3191 Lightning Strike Criteria
  • Less than 8 inches height
  • TNC Connector
21-30-69
Model # 21-30-69
Brand Cooper Antennas
Frequency 420 to 470 MHz 
Gain ≥ + 2.5 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  SMA Female
Construction Fibreglass whip/ Aluminum base 
Height 7.9 inches (200 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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