Technical requirement and test methods of optical transceiver module for coarse wavelength division multiplexing system 粗波分复用光收发合一模块技术要求和测试方法
800mhz cdma digital cellular mobile telecommunication network technical requirements and test methods for repeater 800mhz cdma数字蜂窝移动通信网直放站技术要求和测试方法
Technical requirements and test methods for interface between non - voice subscriber terminal and public telephone network 非话用户终端设备与公用电话网接口技术要求和测试方法
Technical requirements and test methods for exchangers of operating services in manual toll telephone switching equipments 人工长途电话交换设备营业处交换机技术要求和测试方法
General performance requirements and methods of measurement for low - power radio frequency unit of airborne fire control radar 机载火控雷达低功率射频单元通用技术要求和测试方法
General performance requirements and methods of measurement for digital signal processing unit of airborne fire control radar 机载火控雷达数字信号处理单元通用技术要求和测试方法
Technical requirements and testing methods for 900mhz 1800mhz repeater for tdma digital cellular mobile communication network 900 1800mhz tdma数字蜂窝移动通信网直放站技术要求和测试方法
Performance and test methods of the thirdorder digitalltiplex equipment operating at 3468 kbit sand using poive justification 34368 kbit s正码速调整三次群数字复用设备技术要求和测试方法
Technical requirements and test methods for toll connecting boards and special boards in manual toll telephone switching equipments 人工长途电话交换设备长途接续台专线台技术要求和测试方法
Performance and test methods of the second order digital multiplex equipment operating at 8448 kbit s and using positive justification 8448 kbit s正码速调整二次群数字复用设备技术要求和测试方法
