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 165 to 174 MHz at a VSWR of less than 1.5:1.
| Brand | RFI |
| Frequency MHz | 165 – 174 |
| VSWR | <1.8:1 |
| Polarisation | Vertical |
| Nominal Gain [dBi] | -3dB over a ¼ wave |
| Power [W] | 25 |
| Tuning | Full Band |
| Cable And Connector | Not included, order separately |
| Whip Length mm | 330mm |
| Whip Material | ABS, brass and stainless steel |
| Antenna Type | Vehicle |
| Antenna Application | Vehicle Antenna |
| Antenna Configuration | SISO |
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