The product supports DMR data functions and allows sending and receiving messages; the maximum length of each message is 144 characters and less than 50 lines. Digital technology is more energy efficient than analog's, allows communicate quickly, resolve issues quickly and resolve emergencies, so the HD1 radio reduce battery consumption and shorten talk time. 3200mAh rechargeable battery life can be extended by up to 40%, the standby over 30 hours. Supports both digital and analog modes, compatible with existing analog systems, users can gradually switch analog terminal settings according to budget and actual communication needs. Digital broadcasting has many advantages over analog's, including higher voice quality, high power, long distance, longer battery life, and more.
When a call comes, radio can automatically get the signal and stop the FM radio. Once the call was finished, it will switch to FM mode So no call will be missed. 100% IP67 waterproof DMR radio with a sturdy and durable body ensure work well even in harsh outdoor environments such as sand, rain, and snow, and avoid poor communication due to environmental problems. Ailunce HD1 has the promiscuous function when you choose'On', It will make you listen all the signal, even if you are not in the same group.