The UHF400512VM is a broadband dipole antenna covering the 400 to 600 MHz frequency range. It will also operate up to 700 MHz with a slightly increased VSWR. It is intended to be used on all platforms including vehicles, shelters and masts.
The antenna needs no adjustments for different frequencies as all the tuning elements are within the whip. As a dipole antenna it does not require a ground plane to operate.
The antenna can be supplied with either a NATO 4-hole rigid or spring base. Mast brackets are also available to allow the radiating element to be elevated on a suitable mast. Comrod has a range of masts suitable for this purpose.
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|Frequency Range||400-700 MHz|
|VSWR||400-600 MHz < 2.5
600-700 MHz < 3.5
|Nominal Impedance||50 Ω|
|Power Rating||50 W|
|Gain||0.5… 2 dBi|
|Radiation Diagram||Azimuth: Omnidirectional
Vertical: Dipole pattern
|Connector||BNC female, others on request|
|Design||Centre fed dipole. Radiating element completely enclosed in epoxy/fibreglass laminate. Metal parts are brass and stainless steel.|
|Length||0.56 m, with standard rigid VM base|
|Weight||Whip: 0.8 kg
Base: 1.4 kg
|Wind Rating||55 m/s = 201 km/h|
|Finish||Polyurethane lacquer, olive drab|
|Temperature Range||– 55°C to + 71°C|