Dimensions
Size comparison
S1 LFRT40
| S1 LF | RT40 | Difference | |
|---|---|---|---|
| Height | 53 mm | 54 mm | −1 mm |
| Width | 108 mm | 190 mm | −82 mm |
| Depth | 20 mm | 33 mm | −13 mm |
| Weight | 145 g | 179 g | −34 g |
Drawn to the same scale from the official dimensions (front and side).
Why is S1 LF better than RT40?
- Battery capacity2,200 mAh vs 2,000 mAh+10%
- Weight145 g vs 179 g+23%
Why is RT40 better than S1 LF?
- Channels16 vs 483×
- Digital mode (DMR / dPMR)No · S1 LF: Yes
Specifications
Side by side
| Radio & range | ||
| Radio standards | PMR446 | PMR446, dPMR446 |
| Licence | Licence-free | Licence-free |
| Digital mode (DMR / dPMR) | No | Yes |
| Frequency ranges | 446 MHz | 446 - 446.2 MHz |
| Transmit power | 0.5 W | 0.5 W |
| Channels | 16 | 48 |
| Maximum range (claimed) | — | 1.7 km |
| Squelch | adjustable | — |
| Power & battery | ||
| Battery capacity | 2,200 mAh | 2,000 mAh |
| Battery voltage | 3.8 V | 3.7 V |
| Power source | Rechargeable pack | Rechargeable pack |
| USB-C charging | Yes | Yes |
| Standby time | 360 h | — |
| Battery level indicator | Yes | Yes |
| Design & durability | ||
| Weight | 145 g | 179 g |
| Width | 108 mm | 190 mm |
| Height | 53 mm | 54 mm |
| Depth | 20 mm | 33 mm |
| Shockproof | — | Yes |
| Display | No display | No display |
| Colours | — | Black |
| Features | ||
| VOX (hands-free) | Yes | — |
| Channel scan | Yes | — |
| Monitor button | Yes | — |
| PC programmable | Yes | Yes |
| Connectivity | ||
| Headset / earpiece jack | Yes | Yes |
| Connectors | USB-C, 3,5mm Klinke | 2,5 und 3,5 mm, USB-C |
| Bluetooth | Yes | — |
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