Why is SM 660 better than WTA-449?
SM 660 has no measurable advantages in this pair.
Why is WTA-449 better than SM 660?
WTA-449 has no measurable advantages in this pair.
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 | — |
| Maximum range (claimed) | 8 km | — |
| Call tones | — | 10 |
| Power & battery | ||
| Power source | — | AA / AAA batteries |
| USB-C charging | — | No |
| Battery level indicator | — | Yes |
| Design & durability | ||
| Display | — | Backlit display |
| Colours | White | Black |
| Features | ||
| VOX (hands-free) | Yes | Yes |
| VOX sensitivity levels | — | 3 |
| Channel scan | — | Yes |
| Flashlight | — | Yes |
| Key lock | — | Yes |
| Roger beep | — | Yes |
| Monitor button | — | Yes |
| Connectivity | ||
| Headset / earpiece jack | — | Yes |
| Connectors | — | 2,5mm Klinke |
| Radios in the base pack | 3 | 2 |









