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  • YD/T 1369.1-20062GHz TD-SCDMA數(shù)字蜂窩移動通信網(wǎng)Iub接口技術(shù)要求.第一部分：總則Technical requirements for Iub in...2022-06-13
  • YD/T 1115.2-2001通信電纜光纜用阻水材料.第二部分：阻水紗Waterblocking materials for telecommunication cable and...2022-06-12
  • GB/T 15124-1994信息處理系統(tǒng) 數(shù)據(jù)通信 多鏈路規(guī)程Information processing system－Data communication－Multilink pr...2022-06-10
  • YD/T 2014-2009統(tǒng)一通信業(yè)務(wù)需求Requirements of Unified Communications Services2022-06-10
  • YD/T 1973.3-2009800MHz/2GHz cdma2000數(shù)字蜂窩移動通信網(wǎng) 多媒體域(MMD)系統(tǒng)設(shè)備測試方法 第3部分:互通類設(shè)備800MH...2022-06-10
  • YD/T 1427-2005900/1800MHz TDMA數(shù)字蜂窩移動通信網(wǎng)智能外設(shè)(IP)設(shè)備技術(shù)要求(CAMEL3)Technical requirements for d...2022-06-10
  • YD/T 1864-2009800MHz/2GHz cdma2000數(shù)字蜂窩移動通信網(wǎng).傳統(tǒng)終端域(LMSD)ZZ接口技術(shù)要求Technical Requirement for...2022-06-10
  • CECS 177-2005城市地下通信塑料管道工程施工及驗收規(guī)范Code for construction and acceptance of buried telecommun...2022-06-10
  • YD/T 1983-2009移動通信網(wǎng)IMS系統(tǒng)接口測試方法 ISC/Ma接口Test method for ISC/Ma interface in IMS system in mobi...2022-06-10
  • YD/T 1028-1999800MHz CDMA 數(shù)字蜂窩移動通信系統(tǒng)設(shè)備總技術(shù)規(guī)范:移動臺部分Technical Specification of 800MHz CDM...2022-06-10
  • GB/T 19897.3-2005自動抄表系統(tǒng)低層通信協(xié)議 第3部分;面向連接的異步數(shù)據(jù)交換的物理層服務(wù)進(jìn)程Automatic Meter Rea...2022-06-10
  • YD/T 2008-1993城市住宅區(qū)和辦公樓電話通信設(shè)施設(shè)計標(biāo)準(zhǔn)Standard for design of Telecommunications facilites in c...2022-06-10
  • YD/T 1847.1-20092GHz TD-SCDMA數(shù)字蜂窩移動通信網(wǎng).高速上行分組接入(HSUPA)Uu接口物理層技術(shù)要求.第1部分:總則Tech...2022-06-10
  • WS/T 544-2017醫(yī)學(xué)數(shù)字影像中文封裝與通信規(guī)范Medical digital imaging and communication in Chinese packaging sp...2022-06-10
  • YD/T 1384-2005住宅通信綜合布線系統(tǒng)Residential telecommunications generic cabling system2022-06-10
  • YZ/T 0083.5-2002機(jī)要通信業(yè)務(wù)單據(jù)格式.第5部分:復(fù)單Form of service of confidential communication part 5:respon...2022-06-10
  • GB/Z 34066-2017控制與通信網(wǎng)絡(luò)CIP Safety規(guī)范Control and communication network CIP Safety specification...2022-06-10
  • GB/T 33951-2017精密儀器儀表和電訊器材用銅合金棒線Copper alloy rod and wire for precision telecommunications ...2022-06-10
  • SJ 20863-2003數(shù)字車內(nèi)通話器通用規(guī)范General specification for digital intercommunication set in vehicles...2022-06-09
  • YD/T 1153-2001微波接力通信系統(tǒng)拋物面天線輻射圖包絡(luò)的技術(shù)要求The Technical Specification of Radiation Pattern...2022-06-09
  • GB/T 33851-2017信息技術(shù) 系統(tǒng)間遠(yuǎn)程通信和信息交換 基于雙載波的無線高速率超寬帶物理層測試規(guī)范Information tec...2022-06-09
  • YD/T 1366-20062GHz TD-SCDMA數(shù)字蜂窩移動通信網(wǎng)無線接入網(wǎng)絡(luò)設(shè)備測試方法Testing methods for RAN equipment of 2G...2022-06-09
  • GB/T 13543-1992數(shù)字通信設(shè)備環(huán)境試驗方法Environmental test methods for digital communication equipments...2022-06-09
  • GB 13690-2009化學(xué)品分類和危險性公示.通則General rule for classification and hazard communication of chemical...2022-06-09
  • YD/T 1875-2009800MHz/2GHz cdma2000數(shù)字蜂窩移動通信網(wǎng)設(shè)備測試方法 傳統(tǒng)終端域(LMSD)移動交換子系統(tǒng)Test Specific...2022-06-09
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