This product comes from Alaris Antennas catalogues

Wideband LPDA Antenna

LPDA-A0047
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The LPDA-A0047 is a directional log-periodic dipole array primarily designed for EW monitoring applications to cover the 30 MHz to 2500 MHz frequency band with a typical gain of 7 dBi. The polarisation is adjustable between vertical and horizontal without lowering the mast. This antenna is supplied with a boom that breaks into three sections and all the elements can be removed and stored in a roll-up canvas bag for compact storage. The antenna can be assembled and erected within 10 minutes by two people. This antenna can be customised if required, for different frequency ranges handling.

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Specifications

Frequency range 30 - 2500 MHz
VSWR < 2:1 over the frequency band
Nominal input impedance 50 O
Feed power handling Receive only
Gain 7 dBi typical over the frequency band. Refer to gain plot
Elevation 3 dB beamwidth 60 °
zimuth 3 dB beamwidth 120 °
Polarisation Adjustable: vertical and horizontal
Connectors N-type female
Dimensions (w x l) 4000 mm x 5000 mm
Material Aluminium
Total mass 38 kg (incl. isolation pole)
Wind survival 160 km/h when guyed
Water and dust resistance IP66
Temperature range - 30 °C to +65 °C (antenna has a nose piece covering high frequency elements for icing)

    Product Applications

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

    Design Features

  • Wideband frequency 30 MHz to 2500 MHz Low VSWR High gain of typically 7 dBi Rugged construction and compact packaging Easy to assemble and disassemble ( 10 minutes for two people) Also configured for fixed applications