Dimensions
Size comparison
UBZ-M51SET-S1
| UBZ-M51SE | T-S1 | Difference | |
|---|---|---|---|
| Height | 79.9 mm | 95 mm | −15.1 mm |
| Width | 47 mm | 43 mm | +4 mm |
| Depth | 22 mm | 26 mm | −4 mm |
| Weight | 110 g | 80 g | +30 g |
Drawn to the same scale from the official dimensions (front and side).
Why is UBZ-M51SE better than T-S1?
UBZ-M51SE has no measurable advantages in this pair.
Why is T-S1 better than UBZ-M51SE?
- Weight110 g vs 80 g+38%
Specifications
Side by side
| Radio & range | ||
| Radio standards | Japan specified low-power (422 MHz) | PMR446 |
| Licence | Licence-free | Licence-free |
| Transmit power | — | 2 W |
| Channels | — | 199 |
| Maximum range (claimed) | 2 km | — |
| CTCSS / DCS sub-tones | — | Yes |
| Power & battery | ||
| Battery capacity | — | 1,200 mAh |
| Power source | AA / AAA batteries, Rechargeable pack | — |
| Runs on AA/AAA batteries too | Yes | — |
| Design & durability | ||
| Weight | 110 g | 80 g |
| Width | 47 mm | 43 mm |
| Height | 80 mm | 95 mm |
| Depth | 22 mm | 26 mm |
| Protection rating | IP67 | — |
| Water protection (IPx) | IPx7 | — |
| Features | ||
| VOX (hands-free) | Yes | Yes |
| Voice encryption / scrambler | — | Yes |









