Why is CT590S better than D40?
CT590S has no measurable advantages in this pair.
Why is D40 better than CT590S?
D40 has no measurable advantages in this pair.
Specifications
Side by side
| Radio & range | ||
| Radio standards | Amateur VHF, Amateur UHF | VHF, UHF, DMR |
| Licence | Amateur licence | Amateur licence |
| Digital mode (DMR / dPMR) | — | Yes |
| Dual band (VHF + UHF) | Yes | Yes |
| Frequency ranges | 430 - 440 MHz; 144 - 146 MHz | 136–174 MHz, 400–470 MHz |
| Transmit power | 5 W | — |
| Channels | 128 | — |
| Privacy codes (CTCSS / DCS) | 258 | — |
| CTCSS / DCS sub-tones | Yes | — |
| Squelch | adjustable | — |
| Power & battery | ||
| Battery capacity | 1,500 mAh | — |
| Battery voltage | 7.4 V | — |
| Power source | Rechargeable pack | — |
| USB-C charging | No | — |
| Battery level indicator | Yes | — |
| Design & durability | ||
| Weight | 203 g | — |
| Width | 100 mm | — |
| Height | 58 mm | — |
| Depth | 33 mm | — |
| Protection rating | — | IP54 |
| Water protection (IPx) | — | IPx4 |
| Display | Backlit display | — |
| Colours | Black | — |
| Features | ||
| VOX (hands-free) | Yes | — |
| Channel scan | Yes | — |
| Dual watch | Yes | — |
| Flashlight | Yes | — |
| Emergency / SOS alarm | Yes | — |
| FM radio | Yes | — |
| Key lock | Yes | — |
| Monitor button | Yes | — |
| PC programmable | Yes | — |
| Connectivity | ||
| Headset / earpiece jack | Yes | — |
| Connectors | 2,5 und 3,5 mm | — |
| Radios in the base pack | 1 | — |
