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Broadband Blade Antenna

30 to 512 MHz

SKU: 21-50-26

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Broadband Blade Antenna

The 21-50-26 is a vertically polarized, omni-directional antenna, compatible with all popular airborne radios operating within the 30 to 512 MHz frequency range.

This wideband antenna developed by Cooper Antennas Ltd is particularly suited to tactical military communications. Rugged design ensures reliability in world wide conditions of service on aircraft operating at speeds up to Mach 0.95.

he element is DC grounded for high voltage transfer protection. 

  • Frequency Selective Matching Network
  • Passive design-requires no external tuning
  • Fully Foamed to Provide High Environmental Integrity
  • Aluminum Alloy Base Mounting Accepts High Side Loading
  • Suitable for AN/ARC-210, AN/ARC-231 and Similar Multi-Mode Radios
  • Designed to comply with MIL-STD-810 environmental conditions 
21-50-26
Model # 21-50-26
Brand Cooper Antennas
Frequency 30 - 88 MHz, 108 - 174 MHz, 225 - 512 MHz 
Gain

30 MHz ≥ -25 dBi

60 MHz ≥ -20 dBi

88 MHz ≥ -12 dBi

118-174 MHz ≥ -4 dBi average

225-512 MHz ≥ 0 dBi average

VSWR

≤ 2.5:1 30 - 88 MHz

≤ 3.0:1 108 - 117 MHz

≤ 2.5:1 118 - 174 MHz & 225 - 512 MHz 

Impedance (nominal) 50 Ohms
Power 50 Watts CW 
Polarization Essentially vertical (when mounted vertically) 
Antenna RF Connector TNC Female
Antenna Shell Type High density foam filled epoxy/fiber glass shell set on aluminum alloy base 
Height 13 inches (331mm) 
Weight 3 lbs (1.4 kg)
Side Loading  ≥5 psi ultimate 
Base Plate Shape Rectangular
Fixing Holes 6 x Ø 0.2 inch (5.08mm) holes, spot faced Ø 0.43 inches (8 x Ø 0.200 inches (5mm) holes, counter sunk 100º) 

Finish

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

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