Conformal Directional IFF Antenna

Datasheet

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Conformal Directional IFF Antenna

The 21-40-88 is a high gain, flush mounted IFF antenna suitable for use in array’s, or individually when directivity is required.

The antenna comprises a thick micro strip element with coaxial line matching and is capable of handling 1 kW peak power at IFF frequencies. Construction uses a machined aluminium alloy square box surmounted by a high strength glass/epoxy radome, the whole assembly being suitable for supersonic flight envelopes.

Fits flush to aircraft skin
Suitable for Mach 2+
8 dBi linear gain
20mm depth
Fully sealed and foamed for long term reliability
Designed to MIL-STD-810 environmental conditions.

	21-40-88
Model #	21-40-88
Brand	Cooper Antennas

Frequency	1030 ± 5 & 1090 ± 5 MHz
Gain (typical)	+8 dBiL
VSWR	2:1
Impedance (nominal)	50 Ohms
Power	1 kW peak
Polarization	Vertical (horizontal typically –20 dB)
Pattern	74º azimuth beam width (nominal) 64º elevation beam width (nominal) see graphs
Antenna RF Connector	TNC Female