Broadband Airborne Blade Antenna

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Broadband Airborne Blade Antenna

The 21-50-93 antenna from Cooper Antennas Ltd is suitable for the Air environment(s) this antenna has a frequency range of 30-400MHz

High Strength Broadband Blade Antenna
Frequency Selective Matching Network
Fully Foamed to Provide High Environmental Integrity
Aluminum Alloy Retaining Collar Accepts High Side Loading
Designed to AS-3191/A & AS-3793/A (MIL -DTL-85670B) Specification
Drop-on Replacement for AT-1108
Suitable for AN/ARC-182, AN/ARC-186 and Similar Multi-Mode Radios
Complies with MIL-STD-810
21-50-91 - NSN 5985-01-554-7183
Meets Requirements of 5985-01-121-6315, 5985-01-321-6182 5985-01-081-0222 & 5985-01-316-8084

	21-50-93
Model #	21-50-93
Brand	Cooper Antennas

Frequency	30 - 88 MHz, 108 - 174 MHz 225 - 400 MHz
Gain	30 MHz ≥ -22.5 dBi 88 MHz ≥ -11.0 dBi 108 MHz ≥ -8.0 dBi 130 MHz ≥ -2.5 dBi 174 MHz ≥ 0 dBi 225 MHz ≥ +2.5 dBi 300 MHz ≥ +4.0 dBi 400 MHz ≥ +3.0 dBi
VSWR	≤ 2.5:1 30 - 88 MHz & 108 - 118 MHz ≤ 2.0:1 118 - 174 MHz & 225 - 400 MHz
Impedance (nominal)	50 Ohms for both ports
Power	50 Watts CW 30 - 88 MHz & 118 - 174 MHz 100 Watts CW 225 - 400 MHz
Polarization	Vertical
Radiation	Azimuth : Omni-directional Elevation : As stub
Antenna RF Connector	TNC Female

Antenna Shell Type	High density foam filled epoxy/fiber glass shell set in aluminum alloy base collar
Height	14.65 inches (372mm) max
Weight	3.5 lbs (1.6kg)
Side Loading	≥ 8 psi ultimate
Base Plate Shape	Tear drop
Fixing Holes	6 x Ø 0.234 inches (5.9mm) holes, counter bored top side Ø 0.39 inches (9.9mm)