Why is RT-4D better than RT-6D?
RT-4D has no measurable advantages in this pair.
Why is RT-6D better than RT-4D?
- Transmit power5 W vs 10 W2×
- DisplayMonochrome display vs Colour display
Specifications
Side by side
| Radio & range | ||
| Radio standards | VHF, UHF, DMR | VHF, UHF, DMR |
| Licence | Amateur licence | Amateur licence |
| Digital mode (DMR / dPMR) | Yes | Yes |
| Dual band (VHF + UHF) | Yes | Yes |
| Frequency ranges | 108–136 MHz, 136–520 MHz, 136–174 MHz, 400–470 MHz | 136–174 MHz, 400–470 MHz, 64–108 MHz, 108–136 MHz |
| Transmit power | 5 W | 10 W |
| Channels | 1,024 | 1,024 |
| CTCSS / DCS sub-tones | — | Yes |
| Squelch | adjustable | — |
| Power & battery | ||
| Battery capacity | 3,500 mAh | — |
| Battery voltage | 7.4 V | — |
| Power source | Rechargeable pack | — |
| USB-C charging | Yes | 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 | Colour display |
| Colours | Black | — |
| Features | ||
| Channel scan | — | Yes |
| Dual watch | — | Yes |
| Weather channels / alerts | Yes | Yes |
| FM radio | Yes | Yes |
| Key lock | Yes | — |
| Monitor button | — | Yes |
| Voice encryption / scrambler | Yes | Yes |
| PC programmable | Yes | Yes |
| Connectivity | ||
| Headset / earpiece jack | Yes | — |
| Connectors | USB-C, 3,5mm Klinke | — |
| Radios in the base pack | 1 | — |
