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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YD/T 2308-2022 |
Transmission performance requirements and test methods for vehicle-mounted Narrowband voice communication equipment {译} 车载窄带语音通信设备传输性能要求和测试方法 |
China Telecommunication Industry
Standards Narrowband |
 English PDF |
| YD/T 4112-2022 |
Technical requirements for cellular Narrowband access (NB-IoT) core network equipment for the Internet of Things (Phase II) {译} 面向物联网的蜂窝窄带接入（NB-IoT） 核心网设备技术要求(第二阶段) |
China Telecommunication Industry
Standards Narrowband |
English PDF |
| YD/T 4000-2021 |
Cellular Narrowband Access for IoT (NB-IoT) Core Network Equipment Test Method (Phase 2){译} {译} 面向物联网的蜂窝窄带接入（NB-IoT） 核心网设备测试方法（第二阶段） |
China Telecommunication Industry
Standards Narrowband |
English PDF |
| YD/T 2308-2011 |
Transmission performance requirements and test methods for Narrowband voice communication devices in vehicle 车载窄带语音通信设备传输性能要求和测试方法 |
China Telecommunication
Standards Narrowband |
English PDF |
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