vs
7.7Range & power7.7
8.3Battery7.8
3.5Features8.6
Why is TD-638 better than TD-H3 Plus?
TD-638 has no measurable advantages in this pair.
Why is TD-H3 Plus better than TD-638?
- DisplayMonochrome display vs Colour display
Specifications
Side by side
| Radio & range | ||
| Radio standards | VHF, UHF | VHF, UHF |
| Licence | Amateur licence | Amateur licence |
| Dual band (VHF + UHF) | Yes | Yes |
| Frequency ranges | 136–174 MHz, 220–259 MHz, 300–390 MHz, 400–590 MHz | 87–108 MHz, 136–173.975 MHz, 350–399.975 MHz, 400–469.975 MHz |
| Transmit power | 10 W | 10 W |
| Power & battery | ||
| Battery capacity | 2,500 mAh | 2,500 mAh |
| USB-C charging | — | Yes |
| Design & durability | ||
| Width | — | 53 mm |
| Height | — | 112 mm |
| Depth | — | 32 mm |
| Protection rating | IP67 | — |
| Water protection (IPx) | IPx7 | — |
| Display | Monochrome display | Colour display |
| Features | ||
| Channel scan | Yes | Yes |
| Flashlight | — | Yes |
| Weather channels / alerts | Yes | Yes |
| FM radio | Yes | Yes |
| Voice encryption / scrambler | Yes | Yes |
| GPS | Yes | Yes |
| PC programmable | — | Yes |
| Connectivity | ||
| Bluetooth | Yes | Yes |
