UHF Airborne Blade Antenna

225 to 410 MHz

SKU: 21-30-01

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UHF Airborne Blade Antenna

The 21-30-01 is a high strength UHF antenna designed for use on Supersonic aircraft. It comprises a symmetrical diamond shape blade offering low radar cross section compared to aerofoil section blades and is lightning protected to the requirements of antenna type AS-3191 (MIL-DTL-85670B).

The 21-30-01 is a sleeved monopole design constructed on an internal printed circuit card with a short circuit matching stub providing DC grounding across the RF connector.

  • For Supersonic Aircraft
  • Covers standard UHF Com Bands
  • High Strength Composite Blade with Aluminum Alloy Base Block
  • Low Side Area, Low Drag  Single ‘N’ Type Connector
  • Drop-on replacement for NSN 5985-01-098-7598
  • Meets Lightning Strike Criteria of AS-3191
  • Environmental Performance to MIL-STD-810
  • Hard Foamed in place radiating element
21-30-01
Model # 21-30-01
Brand Cooper Antennas
Frequency 225 MHz to 410MHz 
Gain (typical)  +2 dBi 
VSWR ≤ 2.0:1 
Impedance (nominal) 50 Ohms
Power 100 Watts CW
Polarization Vertical (when mounted vertically) 
Radiation Omni directional in azimuth plane
Antenna RF Connector  N Female
Antenna Shell Type  Epoxy/fiberglass blade in aluminum alloy base collar 
Height 9 inches (229mm) 
Weight 1 lbs (0.45kg)
Base Plate Shape Diamond shape  
Fixing Holes 6 x Ø 0.203 inch (5.2mm) holes, counter bored Ø 0.43 inches (10.9mm)

Finish

  • Yellow Polyurethane
  • Other finish options are available.
  • Please specify finish required when ordering.
Datasheet:

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