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High Gain Digitally Tuned VHF/UHF Antenna

30 - 512 MHz

SKU: 21-150-67

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High Gain Digitally Tuned VHF/UHF Antenna

The 21-150-67 tuneable antenna provides exceptional gain in the 30 - 88 MHz SINCGARS band compared to similarly sized passive antennas, and maintains optimum performance up to 512 MHz.

Many years of experience in designing solid-state tuned antennas has enabled our engineers to provide the ultimate in performance and reliability for a frequency agile airborne blade. Close attention to environmental, EMI and lightning protection design considerations combined with latest composites structural technology makes the 21- 150-67 suitable for helicopters, subsonic and supersonic aircraft under demanding tactical conditions. The separate logic converter unit combines flash memory technology with MIL spec’d power supply in a MIL-STD-461 compliant package. 

  • Frequency Hopping - fast tune
  • 12.1" height
  • Tuning Controlled by Separate Logic Control Unit (LCU)
  • LCU’s compatible with latest generation multi -mode radios, including ARC201, ARC231 and ARC210
  • Design to MIL-STD-810 Environmental conditions
  • Suitable for helicopters and fixed wing aircraft up to Mach 0.95
  • Footprint mounting holes compatible with AS3191 
21-150-67
Model # 21-150-67
Brand Cooper Antennas
Frequency

30-88 MHz

108-174 MHz

225-512 MHz 

Gain (typical)

≥ - 10 dBi (30 MHz)

≥ - 5 dBi (88 MHz)

≥ - 3 dBi (108 -174 MHz)

≥ 0 to 2 dBi (225-512 MHz) 

VSWR

≤ 2.5:1 30-80 MHz

≤ 2.5:1 108-174 MHz

≤ 2.5:1 225-512 MHz 

Impedance (nominal)  50 Ohms
Power 30 Watts
Polarization Vertical (when vertically mounted) 
Tuning Time Less than 50μ seconds
Antenna RF Connector TNC Female
Antenna DC connector Multi pin PTO 12-10P to MIL-C-26482 
   
Height 12.1 inches (307 mm) 
Antenna Mounting Hole  6 x Ø 10:32 UNF holes or similar 
Weight (approx.) 3.9 lbs (1.77kg) max
Temperature 54ºC to +71ºC 

Finish

  • Antenna - Urethane Lusterless Black 
  • Base Plate - Unpainted 
  • Other finish options are available.
  • Please specify finish required when ordering.
Datasheet:

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