Semi Conformal UHF Satcom Antenna

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The 21-60-26 antenna provides extremely wide UHF Satcom bandwidth in an ultra low profile design within a completely passive structure.

Specially shaped radiating elements and proprietary matching circuits are used to optimize gain/ bandwidth without need for tuning.

The antenna matching elements are located in an aluminum cavity which recesses 3 inches below aircraft skin line and requires an 9.5 inch square cut-out in the skin. The external portion of the antenna is less than 3 inches height and is environmentally sealed within a glass epoxy radome.

Ultra Low profile - less than 3” height
Passive antenna - requires no tuning
Covers UHF Satcom including MUOS
Designed to MIL-STD-810

	21-60-26
Model #	21-60-26
Brand	Cooper Antennas

Frequency	240 - 385 MHz
Gain @ zenith	+1 dBiC average
VSWR	≤ 1.5:1
Impedance (nominal)	50 Ohms
Power Handling	200 Watts
Polarization	Right Hand Circular
Radiation	Nominally omni-directional in azimuth, Elevation -see graphs

Dimensions	12 inches x12 inches (305mm) square
Height (above skin)	2.5 inches (63mm)
Depth (below skin)	3 inches (76mm)
Skin cut-out	9.5 inches x 9.5 inches (242mm)
Weight	8 lbs (3.6 kg) max (antenna only)