Why is DJ-P321BL better than PMR HM230?
DJ-P321BL has no measurable advantages in this pair.
Why is PMR HM230 better than DJ-P321BL?
- Maximum range (claimed)2 km vs 3 km+50%
Specifications
Side by side
| Radio & range | ||
| Radio standards | Japan specified low-power (422 MHz) | PMR446 |
| Licence | Licence-free | Licence-free |
| Digital mode (DMR / dPMR) | — | No |
| Frequency ranges | — | 446 MHz |
| Transmit power | — | 0.5 W |
| Channels | — | 8 |
| Maximum range (claimed) | 2 km | 3 km |
| Power & battery | ||
| Power source | AA / AAA batteries, Rechargeable pack | AA / AAA batteries |
| Runs on AA/AAA batteries too | Yes | — |
| Design & durability | ||
| Weight | 90 g | — |
| Width | 47 mm | — |
| Height | 75 mm | — |
| Depth | 28 mm | — |
| Protection rating | IP67 | — |
| Water protection (IPx) | IPx7 | — |
| Display | — | Backlit display |
| Features | ||
| VOX (hands-free) | Yes | — |
| Voice encryption / scrambler | Yes | — |
