YD/T 910.3-1997
900/1800 MHz TDMA 数字蜂窝移动通信网移动业务交换中心与基站子系统间接口第二阶段技术规范
900/1800 MHz TDMA Digital cellular Mobile Telecomunication Network Technical Specification of Mobile Services Swiching Center-Base Station Subsystem Interface (Phase 2)
YDT910.3-1997, YD910.3-1997