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RFI HPM-RM-077083 VHF 77-82MHz Flexible Helical Roof Mount Antenna Whip

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. The antenna is ideal in mining applications because of this flexibility. The antenna is supply factory tuned to cover 77 to 82 MHz at a VSWR of less than 1.8:1.