Dimensions
Size comparison
GT-18 PMRS1 mini
| GT-18 PMR | S1 mini | Difference | |
|---|---|---|---|
| Height | 57 mm | 30 mm | +27 mm |
| Width | 147 mm | 99 mm | +48 mm |
| Depth | 26 mm | 16 mm | +10 mm |
| Weight | 33 g | 48 g | −15 g |
Drawn to the same scale from the official dimensions (front and side).
Why is GT-18 PMR better than S1 mini?
- Battery capacity1,500 mAh vs 750 mAh2×
- Weight33 g vs 48 g+45%
Why is S1 mini better than GT-18 PMR?
- USB-C chargingNo · GT-18 PMR: Yes
Specifications
Side by side
| Radio & range | ||
| Radio standards | PMR446 | PMR446 |
| Licence | Licence-free | Licence-free |
| Digital mode (DMR / dPMR) | No | No |
| Frequency ranges | 446 MHz | 446 MHz |
| Transmit power | 0.5 W | 0.5 W |
| Channels | 16 | 16 |
| Maximum range (claimed) | 5 km | — |
| Privacy codes (CTCSS / DCS) | 155 | — |
| CTCSS / DCS sub-tones | Yes | — |
| Squelch | adjustable | adjustable |
| Power & battery | ||
| Battery capacity | 1,500 mAh | 750 mAh |
| Battery voltage | 3.7 V | 3.8 V |
| Power source | Rechargeable pack | Rechargeable pack |
| USB-C charging | No | Yes |
| Battery level indicator | Yes | Yes |
| Design & durability | ||
| Weight | 33 g | 48 g |
| Width | 147 mm | 99 mm |
| Height | 57 mm | 30 mm |
| Depth | 26 mm | 16 mm |
| Display | Backlit display | Backlit display |
| Colours | — | Black |
| Features | ||
| VOX (hands-free) | Yes | Yes |
| Channel scan | Yes | Yes |
| Flashlight | Yes | — |
| Key lock | Yes | — |
| Monitor button | Yes | Yes |
| Voice encryption / scrambler | — | Yes |
| PC programmable | — | Yes |
| Connectivity | ||
| Headset / earpiece jack | — | Yes |
| Connectors | micro USB | USB-C, 3,5mm Klinke |
| Bluetooth | — | Yes |
| Radios in the base pack | 3 | 1 |
