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RFI HPM-RM-070073 VHF 70-73.5MHz Flexible Helical Roof Mount Antenna Whip

The HPM-RM Series is a range flexible, helically loaded electrical 1/4 wave antennas for applications where height restrictions prohibit the use of standard quarter wave antennas. 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. The antenna is ideal in mining applications because of this flexibility. The antenna is supply factory tuned to cover 70 to 73.5 MHz at a VSWR of less than 1.8:1.