GB/T 39839-2021基于LTE技术的宽带集群通信(B-TrunC)系统终端设备技术要求(第一阶段)标准
英文:LTE-based broadband trunking communication (B-TrunC) system—Technical requirements for user equipments (Phase 1) GB/T...
英文:LTE-based broadband trunking communication (B-TrunC) system—Technical requirements for user equipments (Phase 1) GB/T...