UHF Communications Antenna

443-450 MHz

SKU: 21-30-71

Contact us for latest price
Sold Out - Backorder Available


Calculate Shipping



Freight to be quoted - $0.00
As the size and weight is not normally known we use several freight carriers to ensure you get the best price. Complete your order or quote and we will get back to you with the available freight options.

UHF Communications Antenna

The 21-30-71 is a lightweight, single hole fixing UHF “whip” antenna suitable for helicopters or aircraft operation up to 350 knots.

The antenna design features a radiating element encapsulated within a strong glass-epoxy tube which in turn is integrated into an aluminum alloy base containing a TNC connector and loss-less matching cavity.

Installation requires insertion into a 17.5mm (11/16in) hole in the airframe and securing with the washes and nuts provided.

  • Very light weight
  • Narrow Band UHF/FM operation
  • Single hole fixing
  • Suitable for up to 350 knots
  • TNC female connector 
21-30-71
Model # 21-30-71
Brand Cooper Antennas
Frequency 443-450 MHz 
Gain ≥ +3.5 dBi at beam max
VSWR

≤ 1.5:1 across band

≤ 1.2:1 @ 446.7 MHz 

Impedance (nominal) 50 Ohms
Power 50 Watts CW 
Polarization Vertical (when vertically mounted) 
Radiation Omni-directional in azimuth within 0.25 dB when vertically mounted 
Antenna RF Connector  TNC Female
Antenna Length 9 inches (229mm)
Weight 150mm (5.9 inches) max 

Finish

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

More From This Category


Airborn Stub Antenna

Airborn Stub Antenna

SKU: 21-50-30

Airborne AIS Blade Antenna

Airborne AIS Blade Antenna

SKU: 21-20-60

Airborne Blade Antenna

Airborne Blade Antenna

SKU: 21-30-55

Airborne Blade Antenna

Airborne Blade Antenna

SKU: 21-30-176

Airborne IFF Interrogator Antenna

Airborne IFF Interrogator Antenna

SKU: 21-40-66

Airborne Stub Antenna

Airborne Stub Antenna

SKU: 21-20-12

Aircraft Static Discharger

Aircraft Static Discharger

SKU: 21-90-02