View PDF brochure for Wideband Airborne AntennaDatasheet

Wideband Airborne Antenna

225 to 2500 MHz

SKU: 21-50-106

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.

Wideband Airborne Antenna

The 21-50-106 is a wideband, passive monopole antenna suitable for airborne and vehicular applications. The antenna structure comprises a unique element design with careful element shaping to provide excellent gain and radiation, particularly in the important 0º to 30º elevation sector.

Construction comprises shaped internal aluminium alloy element contained within a circular woven glass-epoxy radome, fully sealed and filled with closed cell foam for long term reliability in world wide conditions of service. 

  • Ultra wide-bandwidth
  • Continuous frequency coverage
  • Fully sealed construction for environmental reliability
  • Designed to MIL-STD-810 Environmental conditions
  • Can handle up to 200 watts CW
Model # 21-50-106
Brand Cooper Antennas

225 - 2500 MHz 

Gain (on 1.5m diameter groundplane)

@ 20º elevation ≥ + 3.5 dBi average

@ 10º elevation ≥ + 1 dBi average

@ 0º elevation ≥ - 1 dBi average


≤ 2.5:1 225-2000 MHz

≤ 3.0:1 2001– 2500 MHz 

Impedance (nominal) 50 Ohms
Power Handling

200 Watts average




Omni-directional in azimuth

Antenna RF Connector

TNC Female

Height 9.3 inches (236 mm) max 
Element Diameter 3.2 inches (81 mm) 
Base Diameter  4.33 inches (110 mm) 
Weight 1.9 lbs (0.86kg) max 
Fixing Holes 4 x 0.220” (nominal) 100º countersunk equi-spaced on 3.78 PCD 


  • Lusterless Grey Urethane
  • Other finish options are available.
  • Please specify finish required when ordering.



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