This product comes from Alaris Antennas catalogues

High-Power LPDA


This LPDA is a directional log-periodic dipole array that covers the 100 to 500 MHz frequency band at 1 kW of feed power with a typical gain of 7 dBi. Polarisation is adjustable between vertical and horizontal without lowering the mast via a swivel mounting bracket. This antenna can be customized for frequencies in a wideband of frequencies with excellent gain, VSWR and higher power handling.

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Frequency range 100 - 500 MHz
VSWR 1.5:1 typical
Nominal input impedance 50 O
Feed power handling 1 kW
Gain on horison 7 dBi typica
E-plane 3 dB beamwidth 60° typical
H-plane 3 dB beamwidth 110° typical
Polarisation Linear
Connectors 7/16 female
Dimensions (l x w) 1920 mm x 1700 mm
Material Aluminium
Total mass 7 kg
Mounting Back mounting (see photos) U-bolts supplied for 60 - 100 mm mast
Wind survival on mast 160 km/h (calculated)

    Product Applications

    Electronic Countermeasures
  • Communications Jamming

    Design Features

  • Low VSWR and high gain over the frequency band High feed power handling of 1 kW Vertical and horizontal polarisation Easy to assemble and disassemble Rugged construction Easily adjustable polarisation PRODUCT APPLICATIONS: Wideband monitoring and high-power applications