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Broadband Airborne Blade Antenna
The 21-50-56S is a vertically polarized, omni-directional antenna, compatible with all popular airborne radios operating within the 30 to 512 MHz frequency range plus Link16, Tacan, IFF, JTIDS and other L-band systems.
This wideband, multi-function 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 1.0.
The element is DC grounded for high voltage transfer protection.
| 21-50-56S | |
| Model # | 21-50-56S |
| Brand | Cooper Antennas |
30 MHz ≥ -26.0 dBi
60 MHz ≥ -20.0 dBi
88 MHz ≥ -12.0 dBi
118 MHz ≥ -8.0 dBi
156 MHz ≥ -2.0 dBi
174 MHz ≥ -1.0 dBi
225-512 MHz ≥ 0 dBi average
960-2500 MHz 0dBi average
≤ 3.0:1 108 - 117 MHz
≤ 2.5:1 118 - 174 MHz & 225 - 400 MHz
≤ 2.75:1 401 - 512 MHz
≤ 2.0:1 960 - 1220 MHz
≤ 2.5:1 1221 - 2500 MHz
VHF - 50 Watts CW,
L-band - 200 Watts CW
UHF - 100 watts CW
V/UHF - TNC Female
L-Band - N Female
| Antenna Shell Type | High density foam filled epoxy/fiber glass shell set in aluminum alloy base collar |
| Height | 13 inches |
| Weight | 3.5 lbs |
| Side Loading | ≥ 8 psi ultimate |
| Base Plate Shape | Tear drop |
| Fixing Holes | 6 x Ø 0.200 inches (5mm) holes, counter bore Ø 0.39 inches (9.9mm) |
