Dimensions
Size comparison
MR HH500RTM 100
| MR HH500 | RTM 100 | Difference | |
|---|---|---|---|
| Height | 67 mm | 119 mm | −52 mm |
| Width | 121 mm | 63 mm | +58 mm |
| Depth | 53 mm | 35 mm | +18 mm |
| Weight | 262 g | 136 g | +126 g |
Drawn to the same scale from the official dimensions (front and side).
Why is MR HH500 better than RTM 100?
- Transmit power6 W vs 3 W2×
- Battery capacity1,000 mAh vs 850 mAh+18%
Why is RTM 100 better than MR HH500?
- Weight262 g vs 136 g+93%
Specifications
Side by side
| Radio & range | ||
| Radio standards | Amateur VHF, Marine VHF | Amateur VHF, Marine VHF |
| Frequency ranges | 156.050 - 163.275 MHz | 156 - 163.425 MHz |
| Transmit power | 6 W | 3 W |
| Squelch | adjustable | adjustable |
| Call tones | 10 | — |
| Power & battery | ||
| Battery capacity | 1,000 mAh | 850 mAh |
| Battery voltage | 7.4 V | 6 V |
| Power source | Rechargeable pack, AA / AAA batteries, Car socket | AA / AAA batteries |
| Runs on AA/AAA batteries too | Yes | — |
| USB-C charging | No | — |
| Battery level indicator | Yes | Yes |
| Design & durability | ||
| Weight | 262 g | 136 g |
| Width | 121 mm | 63 mm |
| Height | 67 mm | 119 mm |
| Depth | 53 mm | 35 mm |
| Protection rating | IPX7 | IPX7 |
| Water protection (IPx) | IPx7 | IPx7 |
| Floats | Yes | — |
| Display | Backlit display | Backlit display |
| Colours | Black | Black |
| Features | ||
| VOX (hands-free) | Yes | — |
| Channel scan | Yes | Yes |
| Dual watch | — | Yes |
| Emergency / SOS alarm | Yes | Yes |
| Key lock | Yes | Yes |
| Roger beep | Yes | — |
| Monitor button | — | Yes |
| Connectivity | ||
| Headset / earpiece jack | Yes | — |
| Connectors | 3,5mm Klinke | — |
| Bluetooth | Yes | — |
| Radios in the base pack | 1 | 1 |









