This product comes from Alaris Antennas catalogues

Dual port Helical Antenna

HELI-A0106
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HELI-A0106 is a dual port helical spiral, right-hand circularly polarised antenna designed operating in the 430 - 450 MHz and 900 - 930 MHz bands. The antenna provides broad beam coverage without nulls or reduction in performance. The antenna features a low VSWR and high gain over both operating bands with a light weight, yet robust radome to protect the radiator.

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Specifications

Frequency range Band A 430 - 450 MHz Band B 900 - 930 MHz
Gain > 8 dBi (typical)
Beamwidth Band A 60° (typical) Band B 55° (typical)
Polarisation Band A RHCP Band B RHCP
Nominal impedance 50 O
VSWR < 2.0:1
Power handling: 150 W CW
Connector 2 x N-type female
Overall length 650 mm
Diameter 230 mm (Radome) 470 mm (Mounting flange)
Weight < 10 kg including bracket
Material Aluminium
Colour Painted on request
Temperature range Storage: -41 °C to +71 °C. Operation -31 °C to +55 °C
Weatherproofing IP 66

    Product Applications

    Electronic Countermeasures
  • Communications Jamming
  • Counter UAV

    Design Features

  • Medium gain High power Low VSWR