YD/T 1558-2007.Technical Requirements of Mobile Station for 2GHz cdma2000 Digital Cellular Mobile Co...
YD通讯标准
YD通讯标准
YD通讯标准
YD/T 1558-2013 800MHz/2GHz cdma2000 数字蜂窝移动通信网设备技术要求移动台(含机卡一体)
YD/T 1558-2013.Technical requirements of mobile station for 800MHz/2GHz cdma2000 digital cellular mo...