RFI VHF Roof Mount


Key Features


  • The HPM-RM Series is a range of flexible, helically loaded electrical 1/4 wave antennas for applications where height restrictions prohibit the use of standard quarter wave antenna

  • Fitted to a standard MB9 antenna base, the HPM-RM Series is less than 440mm tall

  • The lower section of the antenna is a moulded former, while the upper section is a helically wound stainless steel section providing a flexible antenna suitable for height restricted areas.




  • Ideal in mining applications because of its flexibility

  • It is supply factory tuned to cover 77 to 82 MHz at a VSWR of less than 1.8.1.


Specifications / Frequency


Electrical & Mechanical Specifications


  • Maximum Power: 25 watts

  • Band: 77.0 to 82.0 MHZ

  • Tunable Bandwidth: <1.8:1

  • Nominal Gain dB: -3

  • Tuning: Full Band

  • Power: 25 Watts

  • Cable and Connector: Not included - sold separately

  • Whip Material: ABS, brass and stainless steel

  • Suggested Installation: Roof

  • Whip Length: 390mm

  • Mounting: MB9 antenna base



SKU HPM-RM-077083
Brand RFI
Shipping Weight 0.5000kg
Shipping Width 0.400m
Shipping Height 0.050m
Shipping Length 0.050m
Shipping Cubic 0.001000000m3

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