Extended Range UHF/L-band (C/D band) Conformal Antenna

600 - 1220 MHz

SKU: 21-40-43

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Extended Range UHF/L-band (C/D band) Conformal Antenna

The 21-40-43 is a conformal annular slot providing high UHF and L-band (C/D band) coverage to cover high UHF LOS and IFF/TACAN/MIDS. It is designed to flush mount to the aircraft skin line and protrudes below skin line by less than 1.5 inches.

The antenna is produced as a machined aluminum alloy ‘dish’ with a high temperature glass epoxy radome covering the annular slot. The antenna is fully sealed and all internal cavities are filled with closed cell foam to prevent long term moisture ingress. 

  • Zero drag, fully conformal design
  • Suitable for Mach 2+
  • Exceptional gain and patterns throughout frequency band
  • High power 2kW Peak, 200 CW
  • Designed to MIL-STD-810 environmental
  • Fully sealed design 
21-40-43
Model # 21-40-43
Brand Cooper Antennas
Frequency 600 - 1220 MHz
Gain  (typical at Beam maximum) +2.5 dBi average full band 
VSWR

≤ 2.5:1 max (600-1200 MHz)

≤ 2.6:1 max (1200-1220 MHz) 

Impedance (nominal) 50 Ohms
Power 2KW Peak, 200 Watts CW
Polarization Vertical
Antenna RF Connector  N Female
Overall Height Conformal Antenna 0.18 inches (5mm) flange thickness 1.45 inches (37mm) below A/C skin 
Diameter 11 inches (280mm) 
Weight 2 lbs (0.9kg) approx

Finish

  • Urethane Lusterless Black
  • Other finish options are available.
  • Please specify finish required when ordering.
Datasheet:

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