Dimensions
Size comparison
UBZ-M31EUBZ-M51SE
| UBZ-M31E | UBZ-M51SE | Difference | |
|---|---|---|---|
| Height | 79.9 mm | 79.9 mm | = |
| Width | 47 mm | 47 mm | = |
| Depth | 22 mm | 22 mm | = |
| Weight | 110 g | 110 g | = |
Drawn to the same scale from the official dimensions (front and side).
Why is UBZ-M31E better than UBZ-M51SE?
UBZ-M31E has no measurable advantages in this pair.
Why is UBZ-M51SE better than UBZ-M31E?
- Water protection (IPx)IPx4 vs IPx7+75%
Specifications
Side by side
| Radio & range | ||
| Radio standards | Japan specified low-power (422 MHz) | Japan specified low-power (422 MHz) |
| Licence | Licence-free | Licence-free |
| Maximum range (claimed) | 2 km | 2 km |
| Power & battery | ||
| Power source | AA / AAA batteries, Rechargeable pack | AA / AAA batteries, Rechargeable pack |
| Runs on AA/AAA batteries too | Yes | Yes |
| Design & durability | ||
| Weight | 110 g | 110 g |
| Width | 47 mm | 47 mm |
| Height | 80 mm | 80 mm |
| Depth | 22 mm | 22 mm |
| Protection rating | IP54 | IP67 |
| Water protection (IPx) | IPx4 | IPx7 |
| Features | ||
| VOX (hands-free) | Yes | Yes |
