Multi-function UHF/VHF, APC025, Link16, Tacan, IFF & UHF Satcom Antenna

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Multi-function UHF/VHF, APC025, Link16, Tacan, IFF & UHF Satcom Antenna

The 21-50-71-2 is a rugged multifunction VHF, UHF, C/D Band and UHF Satcom antenna designed for airborne applications. A high strength aerodynamic vertical shell houses a 30 - 1220 MHz three dimensional linear element that can be used for VHF, UHF, APC025 C/D-Band line of sight “LOS” communications or UHF Satcom at low angles of elevation.

This vertical shell also supports a “Bat-Wing” shape horizontal element containing a pair of cross dipoles, connected to provide high angle, right hand circularly polarized UHF Satcom coverage.

Hi and Lo angle UHF Satcom coverage
Full 30 - 1220 MHz LOS continuous coverage
Wide Band Link16/IFF/Tacan
PRC-117G, AN/ARC-210 & AN/ARC-231 compatible
Low wingspan minimizes loading on aircraft structure
Designed to MIL-STD-810 Environmental Requirements

	21-50-71-2
Model #	21-50-71-2
Brand	Cooper Antennas

Frequency	UHF Satcom Hi Angle V/UHF/L-Band LOS:	240 - 400 MHz 30 - 1220 MHz (continuous coverage)
Gain	UHF Satcom Hi Angle	+5 dBiC @ zenith
Gain	LOS	-26 dBi @ 30 MHz -15 dBi @ 88 MHz -6.5 dBi average @ 118 -174 MHz 0 dBi average @ 225 - 1220 MHz
VSWR	UHF Satcom Hi Angle LOS	≤ 2.0:1 ≤ 2.5:1
Impedance (nominal)	50 Ohms for both ports
Power	UHF Satcom Hi Angle	200 Watts CW
Power	LOS	50 Watts (30-174 MHz) 200 Watts (225-1220 MHz)
Polarization	UHF Satcom Hi Angle LOS	Right Hand Circular Vertical
Antenna RF Connector	UHF Satcom Hi Angle LOS	N Female TNC Female

Height	13 inches (330mm) max
Wingspan	13 inches (330mm) max
Weight	9.5 lbs (4.32Kg)
Fixing Holes	8 holes each 0.208 - 0.234 dia. Inches (5.28 - 5.94mm)
ENVIRONMENTAL
Designed to Environmental	MIL-E-5400 Class 2 MIL-STD-810