High Gain Digitally Tuned VHF/UHF + UHF/FM Antenna

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High Gain Digitally Tuned VHF/UHF + UHF/FM Antenna

The 21-500-01 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. It also provides frequency coverage from 512 to 945 MHz on a separate connector, independent of tuning to operate in the UHF/FM public services band.

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 21-500-01 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
Lightning protected
Less than 10" height
Tuning Controlled by Separate Logic Control Unit (LCU)
LCU’s compatible with all versions of ARC210
Design to MIL-STD-810 Environmental conditions
Suitable for helicopters and fixed wing aircraft

	21-500-01
Model #	21-500-01
Brand	Cooper Antennas

Frequency	30-88 MHz, 108-174 MHz, 225-512 MHz, 512-945 MHz
Gain (typical)	≥ - 12 dBi (30 MHz) ≥ - 3 dBi (88 MHz) ≥ - 2 dBi (108 MHz) ≥ 0 dBi (174 MHz) + 2 dBi average (225-512 MHz) 0 dBi average (512-945 MHz)
VSWR	≤ 2.5:1 (VHF/UHF) ≤ 2.0:1 (UHF)
Impedance (nominal)	50 Ohms
Power	50 Watts UHF 30 Watts VHF
Tuning Time	Less than 50μ seconds
Polarization (nominal)	Vertical (when vertically mounted)
Antenna RF Connector	TNC Female (VHF/UHF) N-type (UHF/FM)
Antenna DC connector	Multi pin D38999