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YD/T 1550.7-2007 Technical Specification for 2GHz WCDMA Digital Cellular Mobile Communication Network Iub Interface(Phase I)Part 7:Data Transmission and Transmission Signaling for DCH Data Stream via email in VALID please email coc@codeofchina.com for quotation
YD/T 1218-2002 900/1800MHz TDMA digital cellular mobile telecommunication network test method of CAMEL Application Part (CAP)(CAMEL2):SCP part (USD) via email in 1-10 business day VALID
YD/T 1549-2007 Testing Methods for 2GHz WCDMA Iur Interface (Phase Ⅰ) via email in ABOLISHED please email coc@codeofchina.com for quotation
YD/T 2786.2-2017 Technical requirements for multi-service IP/MPLS bearer betwork management Part 2:NMS system function via email in VALID please email coc@codeofchina.com for quotation
YD/T 1559-2007 Testing Method in 2GHz cdma2000 Digital Cellular Mobile Communication Network:A1/A2 Interface via email in ABOLISHED please email coc@codeofchina.com for quotation
YD/T 921-1997 User information transfer performance parameters for data networks providing international frame relay PVC service (USD) via email in 1 business day VALID
YD/T 1550.3-2007 Technical Specification for 2GHz WCDMA Digital Cellular Mobile Communication Network Iub Interface(Phase I)Part 3:Signaling Transport via email in VALID please email coc@codeofchina.com for quotation
YD/T 1545.2-2007 Technical Specification for Uu Interface of 2GHz WCDMA Digital Cellular Mobile Communication Network Layer 2 (Phase Ⅰ) Part 2:RLC via email in VALID please email coc@codeofchina.com for quotation
YD/T 2336.3-2017 Technical requirements for packet transport network management Part 3: EMS-NMS interface function via email in VALID please email coc@codeofchina.com for quotation
YD/T 751-1995 (USD) via email in 1-10 business day VALID
YD/T 1195-2002 Test specification for No.7 signalling system—— the 2Mbit/s high speed signalling link (USD) via email in 1-10 business day VALID
YD/T 1565-2007 Testing Methods for 2GHz cdma2000 Digital Cellular Mobile Communication Networks:Signaling Conformance for High Rate Packet Data (HRPD)(Phase Ⅰ)Air Interface via email in ABOLISHED please email coc@codeofchina.com for quotation
YD/T 1551-2007 Testing Methods for 2GHz WCDMA Digital Cellular Mobile Communication Network Iub Interface (Phase Ⅰ) via email in ABOLISHED please email coc@codeofchina.com for quotation
YD/T 1414-2007 Technical Specification for Security of 2GHz TD-SCDMA/WCDMA Digital Cellular Mobile Communication Network(Phase Ⅱ) via email in VALID please email coc@codeofchina.com for quotation
YD/T 1578-2007 Technical Requirements for High Rate Packet Data(HRPD)A Interface (Phase Ⅰ)in 2GHz cdma2000 Digital Cellular Mobile Communication Network via email in ABOLISHED please email coc@codeofchina.com for quotation
YD/T 671-1994 (USD) via email in 1-3 business day
YD/T 1041-2000 900/1800MHz TDMA Digital Cellular Mobile Telecommunication Network Technical Specification of SIM Application Toolkit for (SIM-ME)interface (USD) via email in 1-8 business day
YD/T 1863.1-2009 2GHz WCDMA Digital Cell Mobile Communications Network HSDPA Management Technical Specification Part 1:Configuration Network Resource Model via email in VALID please email coc@codeofchina.com for quotation
GB/T 11324-1995 Performance and test methods of the fourth order digital multiplex equimpent operating at 139264 kbit/s and using positive justification via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YD/T 1267-2003 Technical specification for synchronization netwrok based on SDH transport network (USD) via email in 1-8 business day VALID
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