vs
3.9Range & power4.6
4.9Battery7.7
9.6Features9.6
Dimensions
Size comparison
GT-18 PMRRB648 Plus
| GT-18 PMR | RB648 Plus | Difference | |
|---|---|---|---|
| Height | 57 mm | 33 mm | +24 mm |
| Width | 147 mm | 206 mm | −59 mm |
| Depth | 26 mm | 60 mm | −34 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is GT-18 PMR better than RB648 Plus?
GT-18 PMR has no measurable advantages in this pair.
Why is RB648 Plus better than GT-18 PMR?
- Transmit power0.5 W vs 5 W10×
- USB-C chargingNo · GT-18 PMR: Yes
- Battery capacity1,500 mAh vs 2,000 mAh+33%
Specifications
Side by side
| Radio & range | ||
| Radio standards | PMR446 | — |
| Licence | Licence-free | — |
| Digital mode (DMR / dPMR) | No | — |
| Dual band (VHF + UHF) | — | Yes |
| Frequency ranges | 446 MHz | 400 - 480 MHz |
| Transmit power | 0.5 W | 5 W |
| Channels | 16 | 16 |
| Maximum range (claimed) | 5 km | 5 km |
| Privacy codes (CTCSS / DCS) | 155 | 155 |
| CTCSS / DCS sub-tones | Yes | Yes |
| Squelch | adjustable | — |
| Call tones | — | 10 |
| Power & battery | ||
| Battery capacity | 1,500 mAh | 2,000 mAh |
| Battery voltage | 3.7 V | 7.4 V |
| Power source | Rechargeable pack | Rechargeable pack |
| USB-C charging | No | Yes |
| Battery level indicator | Yes | Yes |
| Design & durability | ||
| Weight | 33 g | — |
| Width | 147 mm | 206 mm |
| Height | 57 mm | 33 mm |
| Depth | 26 mm | 60 mm |
| Protection rating | — | IP67 |
| Water protection (IPx) | — | IPx7 |
| Shockproof | — | Yes |
| Display | Backlit display | Backlit display |
| Colours | — | Yellow |
| Features | ||
| VOX (hands-free) | Yes | Yes |
| VOX sensitivity levels | — | 9 |
| Channel scan | Yes | Yes |
| Flashlight | Yes | — |
| Emergency / SOS alarm | — | Yes |
| Key lock | Yes | Yes |
| Monitor button | Yes | Yes |
| Connectivity | ||
| Connectors | micro USB | USB-C |
| Radios in the base pack | 3 | — |
