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YD/T 3274-2017 Network operation & management indicator for LTE core network via email in VALID please email coc@codeofchina.com for quotation
GB/T 31261-2014 Digital Video Broadcasting (DVB)—Interaction channel communication protocol for satellite distribution systems (USD) via email in 1-10 business day VALID
YDC 043.15-2006 Technical Requirements of Wireless Application Protocol (WAP) Part 15 Multimedia Messaging Service via email in VALID please email coc@codeofchina.com for quotation
TZ 019-1995 (USD) via email in 1-8 business day
GB/Z 20177.2-2006 Control network LONWORKS technology specificationPart 2:Power line channel specification via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YD/T 1420-2005 Technical requirements for jitter and wander in digital networks based on 2048kbit/s hierarchy (USD) via email in 1-5 business day VALID
YD/T 1584.1-2007 Technical Specification for 2GHz Digital Cellular Mobile Communications Network Management General Part 1 Basic Principles via email in VALID please email coc@codeofchina.com for quotation
YDN 099-1998 (USD) via email in 1-10 business day VALID
YD/T 1928.2-2009 Softswitch Network Management System Technical Specification--Part 2:NMS Function via email in VALID please email coc@codeofchina.com for quotation
YDC 043.5-2006 Technical Requirements of Wireless Application Protocol (WAP) Part 5 Binary XML Content Format (USD) via email in 1-3 business day VALID
YD/T 1544.3-2007 Technical Specification for Uu Interface of 2GHz WCDMA Digital Cellular Mobile Communication Network Physical Layer Part 3:Multiplexing and Channel Coding via email in VALID please email coc@codeofchina.com for quotation
GB/T 7262.2-2001 Technical requirements and arrangement of equipment for highway communication--Arrangement of equipment via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YD/T 1584.4-2007 Technical Specification for 2GHz Digital Cellular Mobile Communications Network Management General Part 4 CORBA based Interface Design via email in VALID please email coc@codeofchina.com for quotation
YDN 044-1997 (USD) via email in 1-5 business day
SL 306-2004 Code for telecommunication function of water conservancy system (USD) via email in 1-5 business day VALID
YD/T 2027-2009 A QoS control architecture for ethernet-based IP access networks via email in VALID please email coc@codeofchina.com for quotation
YD/T 1620.5-2009 MSTP based on SDH Network Management System Technical Specification Part 5:EMS-NMS Interface Information Model based on IDL/IIOP via email in VALID please email coc@codeofchina.com for quotation
TZ 016-1994 (USD) via email in 1-8 business day VALID
YD/T 1767.5-2009 Technical requirements for automatically switched optical network (ASON) management Part 5:EMS-NMS interface information model based on IDL/IIOP via email in VALID please email coc@codeofchina.com for quotation
YD/T 1587.3-2007 Technical Specification for 2GHz cdma2000 Digital Cell Mobile Communication Network Management (Phase Ⅰ)Part 3 CORBA Based Network Resource Model Design via email in VALID please email coc@codeofchina.com for quotation
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