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Multi Function Wideband Data Link Antenna

1625 - 5850 MHz and 14.4 - 15.4 GHz

SKU: 21-40-33

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Multi Function Wideband Data Link Antenna

 The 21-40-33 is a multifunction airborne data link antenna providing vertical polarisation for 1625 to 5850 MHz with radiation similar to a stub and right hand circular polarization from 14.4 to 15.4 GHz with an essentially downward looking (when mounted underneath the air vehicle) radiation pattern.

Combining a wide band ‘monocone’ with a waveguide feed and polarizer, this antenna has a footprint compatible with AT256. Separate connectors feed the vertically and circularly polarized colocated elements which are DC grounded. The complete assembly is contained within a low loss, thermoplastic radome, foam filled a sealed for long term reliability. 

  • Dual elements for vertical and RH circular polarization
  • Wide data link bandwidth
  • Low height - just over 2″
  • Direct footprint replacement for AT256 UHF blade
  • Environmental design to meet MIL-STD-810
  • DC grounded  
21-40-33
Model # 21-40-33
Brand Cooper Antennas
Frequency 1625 - 5850 MHz (S/C) & 14.4 - 15.4 GHz (Ku) 
Gain

+ 2.5 dBil (S/C) 

+ 5 dBiC (Ku

VSWR

2:1 max (S/C) 

1.5:1 max (Ku) 

Impedance (nominal) 50 Ohms
Power 50 Watts CW 
Polarization Vertical
Axial Ratio 3 dB typical 
Antenna RF Connector  N type female (S/C) , SMA female (Ku)
Datasheet:

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