Dimensions
Size comparison
PT-3128
| PT-31 | 28 | Difference | |
|---|---|---|---|
| Height | 110 mm | 43 mm | +67 mm |
| Width | 120 mm | 180 mm | −60 mm |
| Depth | 27 mm | 114 mm | −87 mm |
| Weight | 424 g | 499 g | −75 g |
Drawn to the same scale from the official dimensions (front and side).
Why is PT-31 better than 28?
- DisplayBacklit display vs Monochrome display
- Weight424 g vs 499 g+18%
Why is 28 better than PT-31?
28 has no measurable advantages in this pair.
Specifications
Side by side
| Radio & range | ||
| Radio standards | CB | CB |
| Licence | Licence-free | Licence-free |
| Digital mode (DMR / dPMR) | No | No |
| Frequency ranges | 26.565 - 27.99125 MHz | 26.565–27.99125 MHz |
| Transmit power | 4 W | 4 W |
| Channels | 80 | 80 |
| Squelch | automatic, adjustable | adjustable |
| Power & battery | ||
| Battery voltage | 12 V | 12 V |
| Power source | Mains / 12 V vehicle | Mains / 12 V vehicle |
| USB-C charging | No | No |
| Design & durability | ||
| Weight | 424 g | 499 g |
| Width | 120 mm | 180 mm |
| Height | 110 mm | 43 mm |
| Depth | 27 mm | 114 mm |
| Display | Backlit display | Monochrome display |
| Colours | Black | Black |
| Features | ||
| VOX (hands-free) | — | Yes |
| VOX sensitivity levels | — | 5 |
| Channel scan | Yes | — |
| Emergency / SOS alarm | Yes | Yes |
| Key lock | Yes | Yes |
| Noise reduction | — | Yes |
| Connectivity | ||
| Headset / earpiece jack | Yes | Yes |
| Connectors | RJ-45 Mikrofonbuchse, 3,5mm Klinke | 6‑polige Mikrofonbuchse, 3,5mm Klinke |
| Radios in the base pack | 1 | 1 |









