Why is A3 better than RB658?
- Battery capacity2,500 mAh vs 1,800 mAh+39%
Why is RB658 better than A3?
RB658 has no measurable advantages in this pair.
Specifications
Side by side
| Radio & range | ||
| Radio standards | Amateur | Amateur UHF |
| Licence | Amateur licence | Amateur licence |
| Dual band (VHF + UHF) | — | Yes |
| Frequency ranges | 0.5 - 1160 MHz | 440 - 470 MHz |
| Transmit power | — | 2 W |
| Channels | 999 | — |
| Power & battery | ||
| Battery capacity | 2,500 mAh | 1,800 mAh |
| Battery voltage | 7.4 V | 3.7 V |
| Power source | Rechargeable pack | Rechargeable pack |
| USB-C charging | Yes | Yes |
| Standby time | 119 h | — |
| Battery level indicator | Yes | Yes |
| Design & durability | ||
| Weight | — | 185 g |
| Width | — | 115 mm |
| Height | — | 56 mm |
| Depth | — | 27 mm |
| Protection rating | — | IP54 |
| Water protection (IPx) | — | IPx4 |
| Shockproof | Yes | — |
| Display | Backlit display | Backlit display |
| Colours | Green | Black |
| Features | ||
| VOX (hands-free) | Yes | Yes |
| VOX sensitivity levels | — | 9 |
| Flashlight | Yes | — |
| Emergency / SOS alarm | Yes | Yes |
| Key lock | — | Yes |
| PC programmable | — | Yes |
| Connectivity | ||
| Headset / earpiece jack | — | Yes |
| Connectors | USB-C | USB-C, 2,5 und 3,5 mm |
| Bluetooth | — | Yes |









