Home / Standards / GB/T 37291-2019 GB/T 37291-2019 Active Technical requirements for LTE based Broadband Trunking Communication (B-TrunC) system (Phase 1) 基于LTE技术的宽带集群通信(B-TrunC)系统总体技术要求(第一阶段) Standard Type GBT ICS 33.060 CCS M36 Status 现行 Issue Date 2019-03-25 Implementation 2019-10-01 Responsible Dept 工业和信息化部(通信) Drafting Unit N/A