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Wideband Airborne Antenna

225 to 2500 MHz

SKU: 21-50-106

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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
21-50-106
Model # 21-50-106
Brand Cooper Antennas
Frequency

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

VSWR

≤ 2.5:1 225-2000 MHz

≤ 3.0:1 2001– 2500 MHz 

Impedance (nominal) 50 Ohms
Power Handling

200 Watts average

Polarization

Vertical

Radiation

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 

Finish

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

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Datasheet:

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