4.2Range & power2.9
Why is SM 660 better than TALKABOUT T42?
- Maximum range (claimed)8 km vs 4 km2×
Why is TALKABOUT T42 better than SM 660?
- Channels8 vs 162×
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 | 8 | 16 |
| Maximum range (claimed) | 8 km | 4 km |
| Call tones | — | 1 |
| Power & battery | ||
| Power source | — | Rechargeable pack, AA / AAA batteries |
| Runs on AA/AAA batteries too | — | Yes |
| Battery level indicator | — | Yes |
| Design & durability | ||
| Weight | — | 79 g |
| Width | — | 48 mm |
| Height | — | 136 mm |
| Depth | — | 27 mm |
| Display | — | Backlit display |
| Colours | White | — |
| Features | ||
| VOX (hands-free) | Yes | — |
| Channel scan | — | Yes |
| Key lock | — | Yes |
| Roger beep | — | Yes |
| Monitor button | — | Yes |
| Connectivity | ||
| Radios in the base pack | 3 | — |
