Shenzhen Qingoo Communication Technology Co.,Ltd provide mature PoC and DMR ( PTT Over Cellular and Digital Mobile Radio ) intercom solutions for government, police, customs, security, transportation, construction, commercial and industrial, etc. We dedicated ourselves to get worldwide reputation by providing high quality voice and data unified communication solutions, simplifying the communications process and creating a feeling of efficency and security.Our Brand: Qingoo, Qinguo, Chatsure