YD/T 1581-2007.Technical Specification for 2GHz cdma2000 Digital Cellular Mobile Communication Network:Medium Access Control(MAC) of Air Interface. 1范

YD/T 1581-2007.Technical Specification for 2GHz cdma2000 Digital Cellular Mobile Communication Network:Medium Access Control(MAC) of Air Interface. 1范

YD/T 1580-2007.Technical Specification for 2GHz cdma2000 Digital Cellular Mobile Communication Networks: Physical Layer of Air Interface. 1范围 YD/T 158

YD/T 1580-2007.Technical Specification for 2GHz cdma2000 Digital Cellular Mobile Communication Networks: Physical Layer of Air Interface. 1范围 YD/T 158

YD/T 1578-2007.Technical Requirements for High Rate Packet Data(HRPD) A Interfaces ( Phase I ) in 2GHz cdma2000 Digital Cellular Mobile Communication

YD/T 1713-2007.Technical Requirements and Testing Methods of Incoming Power Disturbance Alarm System for Main Distribution Frame. 1范围 YD/T 1713规定了总配线架

YD/T 1714-2007.Optical Fibers Distribution Frame in Dense Wavelength Division Multiplexing. 1范围 YD/T 1714规定了密集波分复用(DWDM)环境下光纤配线架(以下简称ODF)的定义、技术要求、产品分类

YD/T 1715-2007.Valve Regulated L ead Mesh L ead Acid Battery for Communications. 1范围 YD/T 1715规定了2V通信用阀控式密封铅布蓄电池的要求、检验方法、检验规则、标志、包装、运输和贮存。 YD/T 1715适用

YD/T 1718-2007.Testing Methods for Service and Protocol in Peer to Peer Multimedia Messaging Service Interworking. 1范围 YD/T 1718规定了不同运营商之间点对点多媒体消息业务和协

YD/T 1723-2007.Technical Requirement for 2GHz TD-SCDMA Digital Cellular Mobile Communication Network: HSDPA Uu Interface RRC. 1范围 YD/T 1723规定了2GHz TD