YD/T 5173-2009.Provisional Specification on Engineering Acceptance for 2GHz WCDMA Digital Cellular Mobile Communication System.1总则1.0.1 YD/T 5173规定是2GHz WCDMA数字移动通...
YD/T 5172-2009.Provisional Specification on Engineering Acceptance for 800MHz/2GHz CDMA2000 Digital Cellular Mobile Communication System.1总则1.0.1YD/T 5172规定是800MHz/2GHz CD...
YD/T 1681-2007.Technical Requirements for 2GHz cdma2000 Digital Cellular MobileCommunication Networks:High Rate Packet Data(HRPD) (Phase II) Air Interface.1范围YD/T 1681规定了2...
YD/T 1682-2007.Testing Methods for CDMA Digital Cellular Mobile Communication Network User Identity Model(UIM).1范围YD/T 1682规定了CDMA数字蜂窝移动通信网用户识别模块...
YD/T 1683-2007.Testing Methods for CDMA Digital Cellular Mobile Communication Network ME-UIM Card Interface.1范围YD/T 1683规定了CDMA数字蜂窝移动通信网移动设备(ME)与...
YD/T 1684-2007.Technical Requirements and Testing Methods for the Billing of the Digital Cellular Mobile Telecommunication Network Point to Point Short Message Service.1范围YD/T 1...
YD/T 1686-2007.Speech Quality and Transmission Performance Requirements and Testing Methods for IP Telephony Terminal Equipment.1范围YD/T 1686规定了IP电话终端设备传输性能...
YD/T 1666-2007.Technical Specification for Long Distance Remote Visual Surveillance System Security.1范围YD/T 1666规定了基于IP网络的前端监控设备、监控管理平台、...
YD/T 1668-2007.Technical Specification for STM-64 optical fiber line system.1范围YD/T 1668规定了线路速率为9953 280 kbits的SDH STM-64光缆线路系统的技术要求。YD...
YD/T 1669-2007.The Off-Grid Wind/PV Hybrid Power Supply System for Telecommunications.1范围YD/T 1669规定了离网型通信用风/光互补供电系统(以下简称为系统)的定...