High Gain Digitally Tuned VHF/UHF Antenna

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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