Why is RT-820W better than A3?
RT-820W has no measurable advantages in this pair.
Why is A3 better than RT-820W?
- DisplayMonochrome display vs Backlit display
- Channels500 vs 999+100%
Specifications
Side by side
| Radio & range | ||
| Radio standards | VHF, UHF | Amateur |
| Licence | Amateur licence | Amateur licence |
| Digital mode (DMR / dPMR) | Yes | — |
| Dual band (VHF + UHF) | Yes | — |
| Frequency ranges | 136–174 MHz, 400–470 MHz | 0.5 - 1160 MHz |
| Transmit power | 20 W | — |
| Channels | 500 | 999 |
| CTCSS / DCS sub-tones | Yes | — |
| Power & battery | ||
| Battery capacity | — | 2,500 mAh |
| Battery voltage | — | 7.4 V |
| Power source | — | Rechargeable pack |
| USB-C charging | — | Yes |
| Standby time | — | 119 h |
| Battery level indicator | — | Yes |
| Design & durability | ||
| Shockproof | — | Yes |
| Display | Monochrome display | Backlit display |
| Colours | — | Green |
| Features | ||
| VOX (hands-free) | Yes | Yes |
| Flashlight | — | Yes |
| Emergency / SOS alarm | Yes | Yes |
| PC programmable | Yes | — |
| Connectivity | ||
| Connectors | — | USB-C |
