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最近，信息产业部分别以信部科(2000)459号和信部科(2000)493号文发布了6项通信行业标准，它们是：1.YD/T1057－2000《900/1800MHzTDMA数字蜂窝移动通信网基站子系统设备测试规范》；2.YD/T1058－2000《通信用高频开关组合电源》；3.YD/T1059－2000《移动通信系统基站天线技术
Recently, the Ministry of Information Industry issued 6 communication industry standards respectively by No. 459 and No. 72 (2000) No. 493 of the Ministry of Information Industry: 1.YD / T1057-2000 “900 / 1800MHz TDMA digital cellular mobile communication Network Base Station Subsystem Equipment Test Specification ”; 2.YD / T1058-2000“ communication with high-frequency switch combination power supply ”; 3.YD / T1059-2000" mobile communication system base station antenna technology