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YD/T 1208-2002 800MHz CDMA digital cellular mobile communication netwrok Wireless Intelligence Netwrok (WIN)phase 1:Technical specification of interface 1515 (USD) via email in 1-10 business day VALID
YD/T 995-1998 Data protocols for multimedia conferencing 180 (USD) via email in 1-3 business day VALID
YD/T 1301-2004 Test method for access network--26GHz Local Multi-point Distribution System (LMDS) 555 (USD) via email in 1-5 business day VALID
YD/T 1717-2007 Testing Methods for Interworking Gateway in Peer Multimedia Messaging Service Interworking via email in VALID please email coc@codeofchina.com for quotation
YDB 137-2013 Architecture and technical requirements of policy control capability ppening of network intelligent capability enhancement (NICE) via email in VALID please email coc@codeofchina.com for quotation
YD/T 1446-2006 Testing Methods for Media Gateway-ATM Trunk Media Gateway 1755 (USD) via email in 1-10 business day VALID
YD/T 1992-2009 Test specifications for SDH-based multi-service transport platform (MSTP) - Interoperability via email in VALID please email coc@codeofchina.com for quotation
YD/T 1192-2002 Technical specification of adaption layer for No.7 signalling interworking with IP--Message Transfer Part(MTP)level 3 User Adaption layer(M3UA) 855 (USD) via email in 1-8 business day VALID
YD/T 937-1997 Confidentiality system for audiovisual services 150 (USD) via email in 1-3 business day VALID
YD/T 1298-2004 Access network technical specification--Home PNA1.1 Based Phoneline Networking Device 480 (USD) via email in 1-5 business day VALID
YD/T 1805-2008 Test Method for Assistant Testing System Used for Interworking between Networks via email in VALID please email coc@codeofchina.com for quotation
YDC 040-2005 Test Specification for A3/A7 Interface in 800MHz CDMA 1X Digital Cellular Mobile Communication Network 705 (USD) via email in 1-5 business day ABOLISHED
YD/T 851-1996 390 (USD) via email in 1-3 business day
YD/T 1015-1999 Technical requirement for Q interface adapter used in transmission equipment 1110 (USD) via email in 1-8 business day VALID
YD/T 1005-1999 Connection of VSAT systems with packet-switched public data networks based on X.25 procedures 225 (USD) via email in 1-3 business day VALID
YD/T 1374.4-2007 Technical Requirements for Iu Interface of 2GHz TD-SCDMA/WCDMA Digital Cellular Mobile Communication Network(Phase Ⅱ)Part 4:Radio Access Network Application Part (RANAP)Signalling via email in VALID please email coc@codeofchina.com for quotation
JT/T 627-2005 Technical requirements of VHF marine data communication system for inland waterway 105 (USD) via email in 1-3 business day
YD/T 947-1998 Upper layer protocol profiles for the Q3 and X interface 240 (USD) via email in 1-3 business day VALID
YD/T 1564-2007 Testing Methods for 2GHz cdma2000 Digital Cell Mobile Communication Network Device:HRPD (Phase Ⅰ)AN-AAA via email in VALID please email coc@codeofchina.com for quotation
YD/T 1553-2007 Testing Methods for 2GHz WCDMA Digital Cellular Mobile Communication Network RAN Equipment (Phase Ⅰ) via email in ABOLISHED please email coc@codeofchina.com for quotation
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