Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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YD/T 1986-2009 Technical requirements for Cx/Dx/Sh interfaces in IMS system of mobile communication network 990.0 via email in 1~3 business day valid
YD/T 1671-2007 Technical Requirements for 2GHz cdma2000 Digital Cellular Mobile Communication Network Broadcast Multicast Services(BCMCS):A Interface 1600.0 via email in 1~10 business day abolished
YD/T 1972.1-2009 Technical requirements for 800MHz/2GHz cdma2000 digital cellular mobile telecommunication network multimedia domain equipment Part 1: Call control equipments 510.0 via email in 1~3 business day valid
YD/T 1973.3-2009 800MHz/2GHz cdma2000 digital cellular mobile telecommunication network multimedia domain equipment test method - Part 3: Inter-working equipments 540.0 via email in 1~3 business day valid
YD/T 1866-2009 800MHz/2GHz cdma2000 Digital Cellular Mobile Telecommunication Network Technical Specification:Packet data Subsystem 2250.0 via email in 1~3 business day valid
YD/T 1865-2009 Test Method for ZZ-Interface of Legacy MS Domain (LMSD) in 800MHz/2GHz cdma2000 Digital Cellular Mobile Communication Network 870.0 via email in 1~3 business day valid
YD/T 1649-2007 Testing Methods for Push to Talk Server over Cellular 870.0 via email in 1~3 business day valid
YD/T 1973.4-2009 800MHz/2GHz cdma2000 digital cellular mobile telecommunication network multimedia domain equipment test method - Part 4: Multimedia resource equipments 450.0 via email in 1~3 business day valid
YD/T 1553-2009 2GHz WCDMA digital Cellular Mobile Telecommunication Network Test Method of RAN Equipment(Phase 3) 3300.0 via email in 1~3 business day valid
CJ/T 2-1999 Communication system for urban public transport 180.0 via email in 1~3 business day valid
YD/T 1875-2009 Test Specification of 800MHz/2GHz cdma2000 Digital Cellular Mobile Communication Network:Legacy MS Domain (LMSD) Mobile Switching Sub-System 1830.0 via email in 1~3 business day valid
YD/T 1973.2-2009 800MHz/2GHz cdma2000 digital cellular mobile telecommunication network multimedia domain equipment test method - Part 2: User data equipments 570.0 via email in 1~3 business day valid
YD/T 1646-2007 Technical Specification for Push to Talk Termination over Cellular 510.0 via email in 1~3 business day valid
GB/T 34991-2017 12.5kHz TDMA channel based professional digital trunking communication system-Technical specifications for physical layer and data link layer of air interface 2100.0 via email in 1~10 business day valid
YD/T 1867-2009 800MHz/2GHz cdma2000 Digital Cellular Mobile Telecommunication Network Testing Mothods:Packet Data Subsystem 1350.0 via email in 1~3 business day valid
YD/T 1976-2009 Test methods for 800MHz/2GHz cdma2000 digital cellular mobile communication networks - Air interface signaling conformance for Broadcast and Muticast Service 90.0 via email in 1~3 business day valid
YD/T 1777.1-2008 Testing Methods for User Equipment (HSDPA)of 2GHz TD-SCDMA Digital Cellular Mobile Communication Network HSDPA Part 1:Basic Operation、Services and Performance Test 2400.0 via email in 1 business day superseded
YD/T 1974-2009 Test methods for 800MHz/2GHz cdma2000 digital cellular mobile telecommunication network Broadcast-Multicast service equipment -Access terminal 270.0 via email in 1~3 business day valid
YD/T 1869-2009 Testing Method for 800MHz/2GHz cdma2000 Digital Cellular Mobile Communication Network Packet Data Prepaid 840.0 via email in 1~3 business day valid
YD/T 1494-2006 Digital Cellular Mobile Telecommunication Network Service Technical Specification for Mobile Streaming Server 330.0 via email in 1~3 business day valid
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