YD/T 1353-2015.Technical requirements and test methods of the high speed photo-detector- preamplifier used for the optical fber communication. 1范围 YD/

YD/T 1328-2015.Technical requirements and testing methods for billing performance of billing system of digital cellular mobile communication network v

YD/T 1312.16-2015.Requirements and measurement methods of electromagnetic compatibility for radio communication equipment-Part 16:Mobile earth station

YD/T 1033-2016.Series of transmission performance objectives. 1范围 YD/T 1033规定了传输性能指标系列，即性能指标、设计指标、交付指标及维护指标和限值，阐明了它们的含义、用途、相互关系以及选取方法。 YD/T 1033适用于PDH

YD/T 815-2015.Monitor cable of optical fber cable line for communication. 1范围 YD/T 815规定了通信用光缆线路监测尾缆的型号及标记、要求、试验方法、检验规则、标志、包装、运输和储存。 YD/T 815适用于通信用光缆线

YDB 189-2017.Public wireless LAN network management interface-Part 4: Interface test methods. 1范围 YDB 189规定了公众无线局域网(PWLAN)设备网管接口的测试条件和测试方法。 YDB 189适用于

YD/T 1272.6-2015.Optical fiber connector Part 6:Type MC. 1范围 YD/T 1272.6规定了MC型光纤活动连接器的定义、分类、接口图形、配合尺寸、光学性能、标准连接器和胶合材料的要求、试验方法、质量评定程序、标志、包装、运输及储存。 YD/T

YD/T 1157.4-2016.The Requirements for sending Calling Party Number between networks (Supplementary IV). 1范围 YD/T 1157.4规定了400/800 和95/96/等短号码业务平台外呼，国际

YDB 175-2017.Application of Internet of things-E-health-Classification of service scenarios. 1范围 YDB 175规定了电子健康与电子医疗的业务场景分类。 YDB 175适用于电子健康和电子医疗业务。 2缩

YDB 173-2017.Embedded operating system security technical requirements of IoT terminal. 1范围 YDB 173规定了物联网终端嵌入式操作系统的安全功能要求、安全设计要求。 YDB 173适用于物联网感知终端以及感