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RFI HPM-RM-072075 VHF Roof Mount Antenna, 71.5-75 MHz, -3 dBq

RFI HPM-RM-072075 VHF Roof Mount Antenna, 71.5-75 MHz, -3 dBq

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Item ID:
168015987
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Options/MPN:
HPM-RM-072075
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RFI HPM-RM-072075 VHF Roof Mount Antenna (71.5-75.0 MHz) is supplying factory tuned to cover 72 to 75 MHz at a VSWR of less than 1.8:1.
Regular price $48.45
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Product Description

The RFI HPM‑RM‑072075 VHF Roof Mount Antenna is a compact, factory‑tuned ¼‑wave antenna covering 71.5 – 75 MHz with a VSWR < 1.8:1 and a gain of ‑3 dBq. Measuring less than 440 mm in height and designed to fit the industry‑standard MB9 roof‑mount base, it solves clearance issues where a conventional quarter‑wave whip cannot be installed. A moulded lower section and helically wound stainless‑steel upper whip deliver exceptional flexibility and durability for harsh industrial and mining environments.

Product Features:

  • The helically loaded ¼-wave radiator delivers full performance in a compact < 440 mm form factor.
  • It is factory tuned for 70 – 73.5 MHz, while other versions cover 70 – 87 MHz and 148 – 174 MHz ranges.
  • The moulded base and flexible stainless-steel whip withstand impacts and constant vibration in height-restricted areas.
  • It is compatible with the industry-standard MB9 roof-mount base for fast, secure installation.
  • It provides a typical gain of –3 dBq with a VSWR < 1.8:1 to ensure reliable signal integrity across the designated band.

Application Areas:

  • It is ideal for mining vehicles and machinery operating under low ceilings or overhead obstructions.
  • It is suitable for fleet cars, vans, and utility trucks that require a low-profile VHF antenna without sacrificing performance.
  • It performs reliably on industrial plant sites where cranes, pipes, or tunnels limit antenna height.
  • It benefits rural emergency-services vehicles needing a rugged, flexible antenna for VHF communications.
  • It is perfect for any roof-mount installation where standard quarter-wave whips are impractical due to clearance limits.

In the Box

  • 1 × RFI HPM‑RM‑072075 VHF Roof Mount Antenna (71.5 – 75 MHz).

Documents:

RFI HPM-RM Series Antenna - Datasheet

Product Specifications

MPN HPM-RM-072075
Antenna application Vehicle Antenna
Antenna cable type No cable
Antenna features Omnidirectional
Antenna port connectors No connector
Antenna type Ground Dependent
Brands RFI
Cable and connector Not included, order separately
Coverage type Omni-directional
Frequency band VHF Mid Band 66-88 MHz
Frequency mhz 72-75
Height 3
Installation type External mounting
Length 40
Low pim No
Max frequency mhz 75
Max gain dbd dbi -3
Mimo support No
Min frequency mhz 72
Min gain dbd dbi -3
Mount supported Wall mount, Roof mount
Mount supported detailed MB9 base
No of antenna ports 1
Nominal gain dbq -3
Polarisation Vertical
Power w 25
Technologies supported VHF
Technology type VHF
Tuned bandwidth Full
Tuning Full Band
Vswr <1.8:1
Whip length mm 420mm
Whip material ABS, brass and stainless steel
Width 3