The HM652 and HM682 mobile radios are entry-level and mid-level radios that are compliant with the digital mobile radio industry standard. These H-Series HM6 mobile radios provide an efficient experience with loud and clear audio, multi-system operation, intuitive user interface and extended range. The entry-level HM652 mobile radio provides excellent performance yet is cost-effective and easy to operate. All radio operations are controlled through the hand-held microphone that features an LCD screen, push to talk button and controls for power, switching channels and contacts, adjusting volume, and viewing text messages. The mid-level HM682 mobile radio also provides the same level performance with a low price point with all status and controls on the front panel of the radio. The front panel features tactile buttons and piano keys for easy operation, and the LCD display is readable even in the dark or direct sunlight. The audio quality, range and calling features provide excellent performance for mobile workforces. The audio quality is enabled with AI-based voice enhancement with deep learning ability that can accurately extract voice from background noise in real time. Howling suppression prevents feedback between two radios in the same vehicle. Radio range is extended with increased transmission power, high receiving sensitivity and reduced attenuation. The HM6 radios provide greater calling flexibility with individual calls, group calls and all call.