Why is C65B better than TD-638?
C65B has no measurable advantages in this pair.
Why is TD-638 better than C65B?
- Transmit power5 W vs 10 W2×
- Battery capacity1,800 mAh vs 2,500 mAh+39%
- DisplayNo display vs Monochrome display
Specifications
Side by side
| Radio & range | ||
| Radio standards | Amateur VHF, Amateur UHF | VHF, UHF |
| Licence | Amateur licence | Amateur licence |
| Dual band (VHF + UHF) | Yes | Yes |
| Frequency ranges | 440 - 470 MHz; 88 - 108 MHz | 136–174 MHz, 220–259 MHz, 300–390 MHz, 400–590 MHz |
| Transmit power | 5 W | 10 W |
| Channels | 32 | — |
| Privacy codes (CTCSS / DCS) | 260 | — |
| CTCSS / DCS sub-tones | Yes | — |
| Squelch | adjustable | — |
| Call tones | 10 | — |
| Power & battery | ||
| Battery capacity | 1,800 mAh | 2,500 mAh |
| Battery voltage | 7.4 V | — |
| Power source | Rechargeable pack | — |
| USB-C charging | Yes | — |
| Battery level indicator | Yes | — |
| Design & durability | ||
| Weight | 255 g | — |
| Width | 134 mm | — |
| Height | 62 mm | — |
| Depth | 40 mm | — |
| Protection rating | IP67 | IP67 |
| Water protection (IPx) | IPx7 | IPx7 |
| Display | No display | Monochrome display |
| Colours | Orange | — |
| Features | ||
| VOX (hands-free) | Yes | — |
| Channel scan | Yes | Yes |
| Emergency / SOS alarm | Yes | — |
| Weather channels / alerts | — | Yes |
| FM radio | Yes | Yes |
| Key lock | Yes | — |
| Roger beep | Yes | — |
| Monitor button | Yes | — |
| Voice encryption / scrambler | Yes | Yes |
| GPS | — | Yes |
| PC programmable | Yes | — |
| Connectivity | ||
| Headset / earpiece jack | Yes | — |
| Connectors | USB-C, 2,5 und 3,5 mm | — |
| Bluetooth | — | Yes |
