Why is RT-4D better than RT-910B?
RT-4D has no measurable advantages in this pair.
Why is RT-910B better than RT-4D?
RT-910B has no measurable advantages in this pair.
Specifications
Side by side
| Radio & range | ||
| Radio standards | VHF, UHF, DMR | VHF, UHF |
| Licence | Amateur licence | Amateur licence |
| Digital mode (DMR / dPMR) | Yes | — |
| Dual band (VHF + UHF) | Yes | Yes |
| Frequency ranges | 108–136 MHz, 136–520 MHz, 136–174 MHz, 400–470 MHz | 45–59 MHz, 65–108 MHz, 108–136 MHz, 136–260 MHz |
| Transmit power | 5 W | — |
| Channels | 1,024 | 1,024 |
| Squelch | adjustable | — |
| Power & battery | ||
| Battery capacity | 3,500 mAh | — |
| Battery voltage | 7.4 V | — |
| Power source | Rechargeable pack | — |
| USB-C charging | Yes | — |
| Battery level indicator | Yes | — |
| Design & durability | ||
| Weight | 198 g | — |
| Width | 112 mm | — |
| Height | 61 mm | — |
| Depth | 38 mm | — |
| Water protection (IPx) | IPx7 | — |
| Display | Monochrome display | — |
| Colours | Black | — |
| Features | ||
| Channel scan | — | Yes |
| Weather channels / alerts | Yes | — |
| FM radio | Yes | Yes |
| Key lock | Yes | — |
| Voice encryption / scrambler | Yes | — |
| PC programmable | Yes | — |
| Connectivity | ||
| Headset / earpiece jack | Yes | — |
| Connectors | USB-C, 3,5mm Klinke | — |
| Radios in the base pack | 1 | — |









