Dimensions
Size comparison
TK-3501ERT668
| TK-3501E | RT668 | Difference | |
|---|---|---|---|
| Height | 117 mm | 50 mm | +67 mm |
| Width | 54 mm | 116 mm | −62 mm |
| Depth | 26 mm | 35 mm | −9 mm |
| Weight | 210 g | 161 g | +49 g |
Drawn to the same scale from the official dimensions (front and side).
Why is TK-3501E better than RT668?
TK-3501E has no measurable advantages in this pair.
Why is RT668 better than TK-3501E?
- Weight210 g vs 161 g+30%
Specifications
Side by side
| Radio & range | ||
| Radio standards | PMR446 | PMR446 |
| Licence | Licence-free | Licence-free |
| Digital mode (DMR / dPMR) | No | No |
| Frequency ranges | 446 MHz | 446 MHz |
| Transmit power | 0.5 W | 0.5 W |
| Channels | 16 | 16 |
| Maximum range (claimed) | 9 km | — |
| CTCSS / DCS sub-tones | Yes | Yes |
| Squelch | adjustable | adjustable |
| Call tones | 10 | — |
| Power & battery | ||
| Battery capacity | — | 1,200 mAh |
| Battery voltage | 7.5 V | 3.7 V |
| Power source | Rechargeable pack | Rechargeable pack |
| USB-C charging | No | No |
| Battery level indicator | Yes | Yes |
| Design & durability | ||
| Weight | 210 g | 161 g |
| Width | 54 mm | 116 mm |
| Height | 117 mm | 50 mm |
| Depth | 26 mm | 35 mm |
| Protection rating | IP54 | — |
| Water protection (IPx) | IPx4 | — |
| Military standard (MIL-STD-810) | Yes | — |
| Shockproof | — | Yes |
| Display | No display | No display |
| Colours | Black | — |
| Features | ||
| VOX (hands-free) | Yes | Yes |
| VOX sensitivity levels | 10 | — |
| Channel scan | Yes | Yes |
| Key lock | Yes | — |
| Roger beep | Yes | — |
| Monitor button | Yes | Yes |
| Voice encryption / scrambler | — | Yes |
| PC programmable | Yes | Yes |
| Connectivity | ||
| Headset / earpiece jack | Yes | Yes |
| Connectors | 2,5 und 3,5 mm | 2,5 und 3,5 mm |
