UHF Airborne Tetra Antenna

380 MHz to 430 MHz

SKU: 21-30-68

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UHF Airborne Tetra Antenna

The 21-30-68 is an externally mounted airborne stub antenna operating over the TETRA frequency band of 380-430 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 Tetra Frequency Band

Suitable up to 350 Knots

Fully Environmentally Sealed

Meets AS-3191 Lightning Strike Criteria

Less than 8 inches height  TNC Connector 

21-30-68
Model # 21-30-68
Brand Cooper Antennas
Frequency 380 to 430 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  TNC 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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