This product comes from Alaris Antennas catalogues

Wideband HF/VHF/UHF Vehicle Monitoring Antenna

OMNI-A0245
Active

The OMNI-A0245 is a passive monitoring antenna designed to operate in the 20 to 520 MHz frequency band. It is mounted on a connector base, with a matching unit at the base, a spring for shock absorption and flexibility, and has a thin steel whip. The radiating whip is loaded along its length to control the antenna radiation patterns. It is thin and flexible over most of its length, with loads protruding slightly. The whip will not be damaged by contact with trees, overhead objects, etc., in normal operation.

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Specifications

Frequency range 20 - 520 MHz
VSWR < 3.5:1
Nominal impedance 50 O
Azimuth pattern Omni-directional
Elevation pattern Monopole pattern
DC resistance Short circuit
Groundplane requirements Groundplane dependent
Connector N-type female
Dimensions (l x d) 1000 mm x 37 mm
Base diameter 135 mm
Total mass < 1 kg
Mounting NATO base flange
Colour Black
Temperature range Storage: -41 °C to +71 °C.
Temperature range Operation -31 °C to +70 °C

    Product Applications

    Spectrum Management
  • Spectrum Monitoring
  • Radio Direction Finding
  • Signals Intelligence

    Design Features

  • Wide frequency coverage (20 to 520 MHz) Omni-directional azimuth pattern Rugged and hard-wearing Suited to low-profile applications