YD/T 1873-2009 800MHz/2GHz cdma2000 数字蜂窝移动通信网测试方法传统终端域(LMSD) A 接口
YD/T 1873-2009.Test Method for Legacy MS Domain (LMSD) A interface in 800MHz/2GH...
行业标准2023.08.03
YD/T 1873-2009.Test Method for Legacy MS Domain (LMSD) A interface in 800MHz/2GH...
行业标准2023.08.03
YD/T 1874-2009.Technical Requirements for 800MHz/2GHz cdma2000 Digital Cellular...
行业标准2023.08.03
YD/T 1875-2009.Test Specification of 800MHz/2GHz cdma2000 Digital Cellular Mobil...
行业标准2023.08.03
YD/T 1057-2000.900/1800MHz TDMA digital cellular mobile telecommunication networ...
行业标准2023.08.03
YD/T 1054-2000.Access network technical specification - Integrated digital loop...
行业标准2023.08.03
YD/T 1053-200.Data Transmission Protocol for Information Paging Network (POCSAG...
行业标准2023.08.03
YD/T 1055-2005.Test method for access network equipment - asymmetric ditigal sub...
行业标准2023.08.03
YD/T 1056-2000.1范围YD/T 1056规定了我国各类本地电话网中首位号码为“1”的各种特服业务、信息类业务台网的中继网络组织及特服业务服务中心系...
行业标准2023.08.03
YD/T 1046-2000.Interoperability Specification for IP Telephony Gateway.1范围YD/T 1...
行业标准2023.08.03
YD/T 1048-2000.800MHz CDMA Digits Cellular Mobile Communication Network Equipmen...
行业标准2023.08.03