Why is RB648 better than RB669?
- Battery capacity2,000 mAh vs 1,200 mAh+67%
- DisplayBacklit display vs No display
Why is RB669 better than RB648?
- Transmit power0.5 W vs 1 W2×
Specifications
Side by side
| Radio & range | ||
| Radio standards | PMR446 | PMR446, Freenet |
| Licence | Licence-free | Licence-free |
| Digital mode (DMR / dPMR) | No | No |
| Frequency ranges | 446 MHz | 446 MHz; 149 MHz |
| Transmit power | 0.5 W | 1 W |
| Channels | 16 | 16 |
| Maximum range (claimed) | 2 km | — |
| Privacy codes (CTCSS / DCS) | — | 260 |
| CTCSS / DCS sub-tones | — | Yes |
| Squelch | — | adjustable |
| Power & battery | ||
| Battery capacity | 2,000 mAh | 1,200 mAh |
| Battery voltage | 3.7 V | 3.7 V |
| Power source | Rechargeable pack | Rechargeable pack |
| USB-C charging | Yes | Yes |
| Standby time | — | 30 h |
| Battery level indicator | Yes | Yes |
| Design & durability | ||
| Weight | — | 148 g |
| Width | — | 158 mm |
| Height | — | 57 mm |
| Depth | — | 33 mm |
| Protection rating | IP67 | — |
| Water protection (IPx) | IPx7 | — |
| Shockproof | Yes | — |
| Display | Backlit display | No display |
| Colours | — | Black |
| Features | ||
| VOX (hands-free) | Yes | Yes |
| Channel scan | — | Yes |
| Key lock | Yes | — |
| Monitor button | — | Yes |
| Connectivity | ||
| Headset / earpiece jack | Yes | — |
| Connectors | USB-C, Kopfhörer | USB-C |
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