The Hytera HyTalk PoC System is a multimedia push-to-talk over cellular (PoC) communication platform that provides rich communication services including voice, video, data, and unified dispatch. With the Hytera HyTalk application installed on Hytera PoC radios, dual-mode rugged radio or body cameras, users can access PTT services through the public networks(3G/4G/5G) or WLAN.