The PoC works on the operator’s 4G LTE network, ensuring no distance limited connection. It also collects the audio and high definition video information on the site and sends it to the dispatch management platform in real time, so as to meet users’ requirements for visual and dispatch command. Equipped with a built-in dual microphone, dual camera, HD screen and large memory, powered by an Android operating system, the product supports interaction of voice and video content with high resonance and clarity, meeting different user demands.