Dimensions
Size comparison
S1 LFRT649P
| S1 LF | RT649P | Difference | |
|---|---|---|---|
| Height | 53 mm | 61 mm | −8 mm |
| Width | 108 mm | 202 mm | −94 mm |
| Depth | 20 mm | 38 mm | −18 mm |
| Weight | 145 g | 134 g | +11 g |
Drawn to the same scale from the official dimensions (front and side).
Why is S1 LF better than RT649P?
- Battery capacity2,200 mAh vs 1,200 mAh+83%
- USB-C chargingYes · RT649P: No
Why is RT649P better than S1 LF?
- DisplayNo display vs Backlit display
- Weight145 g vs 134 g+8%
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) | — | 3 km |
| CTCSS / DCS sub-tones | — | Yes |
| Squelch | adjustable | adjustable |
| Call tones | — | 20 |
| Power & battery | ||
| Battery capacity | 2,200 mAh | 1,200 mAh |
| Battery voltage | 3.8 V | 3.6 V |
| Power source | Rechargeable pack | Rechargeable pack, AA / AAA batteries |
| Runs on AA/AAA batteries too | — | Yes |
| USB-C charging | Yes | No |
| Standby time | 360 h | — |
| Battery level indicator | Yes | Yes |
| Design & durability | ||
| Weight | 145 g | 134 g |
| Width | 108 mm | 202 mm |
| Height | 53 mm | 61 mm |
| Depth | 20 mm | 38 mm |
| Protection rating | — | IP67 |
| Water protection (IPx) | — | IPx7 |
| Floats | — | Yes |
| Shockproof | — | Yes |
| Display | No display | Backlit display |
| Colours | — | Green |
| Features | ||
| VOX (hands-free) | Yes | Yes |
| VOX sensitivity levels | — | 3 |
| Channel scan | Yes | Yes |
| Dual watch | — | Yes |
| Flashlight | — | Yes |
| Emergency / SOS alarm | — | Yes |
| Key lock | — | Yes |
| Roger beep | — | Yes |
| Monitor button | Yes | Yes |
| PC programmable | Yes | — |
| Connectivity | ||
| Headset / earpiece jack | Yes | — |
| Connectors | USB-C, 3,5mm Klinke | micro USB |
| Bluetooth | Yes | — |
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