VHF Communications Antenna

166-172 MHz

SKU: 21-20-70

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.

VHF Communications Antenna

The 21-20-70 is a lightweight, single hole fixing VHF “whip” antenna suitable for helicopters or aircraft operation up to 350 knots.

The antenna radiating element is 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
  • VHF/FM and maritime band operation
  • Single hole fixing
  • Suitable for up to 350 knots
  • TNC female connector
21-20-70
Model # 21-20-70
Brand Cooper Antennas
Frequency 166-172 MHz 
Gain (typical)  ≥ +3.5 dBi at beam max
VSWR

≤ 1.5:1 across band

≤ 1.2:1 @ 169.5 MHz 

Impedance (nominal) 50 Ohms nominal
Power 50 Watts CW
Polarization Linear (vertical when vertically mounted)
Radiation Omni-directional in azimuth within 0.25 dB when vertically mounted
Antenna RF Connector  TNC Female

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