Dimensions
Size comparison
AT-5555N IICDM-550H
| AT-5555N II | CDM-550H | Difference | |
|---|---|---|---|
| Height | 200 mm | 175 mm | +25 mm |
| Width | 250 mm | 140 mm | +110 mm |
| Depth | 60 mm | 46 mm | +14 mm |
| Weight | 1,500 g | 1,500 g | = |
Drawn to the same scale from the official dimensions (front and side).
Why is AT-5555N II better than CDM-550H?
- Transmit power60 W vs 40 W+50%
Why is CDM-550H better than AT-5555N II?
- DisplayBacklit display vs Colour display
Specifications
Side by side
| Radio & range | ||
| Radio standards | Amateur | UHF, DMR |
| Licence | Amateur licence | Amateur licence |
| Digital mode (DMR / dPMR) | — | Yes |
| Frequency ranges | — | 400–480 MHz |
| Transmit power | 60 W | 40 W |
| CTCSS / DCS sub-tones | — | Yes |
| Squelch | automatic, adjustable | — |
| Power & battery | ||
| Battery voltage | 13.8 V | — |
| Power source | Mains / 12 V vehicle | — |
| USB-C charging | No | — |
| Design & durability | ||
| Weight | 1,500 g | 1,500 g |
| Width | 250 mm | 140 mm |
| Height | 200 mm | 175 mm |
| Depth | 60 mm | 46 mm |
| Display | Backlit display | Colour display |
| Colours | Black | — |
| Features | ||
| VOX (hands-free) | Yes | — |
| Channel scan | Yes | Yes |
| Dual watch | Yes | — |
| Emergency / SOS alarm | — | Yes |
| FM radio | — | Yes |
| Key lock | Yes | — |
| Roger beep | Yes | — |
| Monitor button | — | Yes |
| Noise reduction | Yes | — |
| Voice encryption / scrambler | — | Yes |
| PC programmable | — | Yes |
| Connectivity | ||
| Headset / earpiece jack | Yes | — |
| Connectors | 2,5mm Klinke | — |
| Radios in the base pack | 1 | — |
