vs
8.2Range & power7.7
3.0Battery8.3
3.5Features3.5
Why is DM-1801 Pro better than TD-638?
DM-1801 Pro has no measurable advantages in this pair.
Why is TD-638 better than DM-1801 Pro?
- Battery capacity200 mAh vs 2,500 mAh12.5×
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 | 136–174 MHz, 400–470 MHz, 144–146 MHz, 430–440 MHz | 136–174 MHz, 220–259 MHz, 300–390 MHz, 400–590 MHz |
| Transmit power | 10 W | 10 W |
| Channels | 4,000 | — |
| CTCSS / DCS sub-tones | Yes | — |
| Power & battery | ||
| Battery capacity | 200 mAh | 2,500 mAh |
| USB-C charging | Yes | — |
| Design & durability | ||
| Weight | 269 g | — |
| Width | 61 mm | — |
| Height | 132 mm | — |
| Depth | 36 mm | — |
| Protection rating | — | IP67 |
| Water protection (IPx) | — | IPx7 |
| Display | Monochrome display | Monochrome display |
| Features | ||
| Channel scan | Yes | Yes |
| Dual watch | Yes | — |
| Emergency / SOS alarm | Yes | — |
| Weather channels / alerts | Yes | Yes |
| FM radio | Yes | Yes |
| Monitor button | Yes | — |
| Voice encryption / scrambler | — | Yes |
| GPS | Yes | Yes |
| Connectivity | ||
| Bluetooth | — | Yes |









