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YD/T 1280-2003 900/1800MHz TDMA Digital Celler Mobile Telecommunication network management interface technical specification——Interface definition based on CMIP 4305 (USD) via email in 1-10 business day VALID
YD/T 1415-2008 via email in VALID please email coc@codeofchina.com for quotation
YD/T 1139-2006 The Requirement and Measurement Methods of Electromagnetic Compatibility for 900/1800MHz TDMA Digital Cellular Mobile Telecommunication System Part 2:Base Station and Ancillary Equipment 450 (USD) via email in 1-3 business day ABOLISHED
YDN 055-1997 Technical Speeifications for Mobile Station Equipment of 900/1800 MHz TDMA Digital Cellular Mobile Communications Network (Tentative Specifications) 450 (USD) via email in 1 business day VALID
YD/T 3283-2017 Technical requirements and test methods for user equipment of global system for mobile communications–Railways via email in VALID please email coc@codeofchina.com for quotation
YDC 010-2002 Test Method of Gateway MSC for 800MHz CDMA Digital Cellular Mobile Telecommunication Network Subscribers to Select Different Long-distance Networks 345 (USD) via email in 1-3 business day VALID
YD/T 1509-2007 Technical Specification for Nc Interface between MSC Servers of 2GHz TD-SCDMA/WCDMA Communication Network (Phase Ⅱ) via email in VALID please email coc@codeofchina.com for quotation
YD/T 1773-2008 2GHz TD-SCDMA Digital Cellular Mobile Communication Network Test Methods for User Equipment (HSDPA) Protocol Conformance 2805 (USD) via email in 1-10 business day ABOLISHED
YD/T 1726-2007 Security Technical Requirements for Presence Service in 2GHz TD-SCDMA/WCDMA Digital Cellular Mobile Communication Network via email in VALID please email coc@codeofchina.com for quotation
YD/T 1369.6-2006 Technical requirements for Iub interface of 2GHz TD-SCDMA digital cellular mobile communication network part 6:user protocols for CCH data streams 375 (USD) via email in 1-3 business day VALID
YD/T 1791-2008 via email in VALID please email coc@codeofchina.com for quotation
YD/T 1372.1-2006 Technical requirements for Uu Interface of 2GHz TD-SCDMA digital cellular mobile communication network layer 2 technical specification part 1:MAC protocol 420 (USD) via email in 1-3 business day VALID
YD/T 1371.1-2006 Technical requirements for Uu interface of 2GHz TD-SCDMA Digital Cellular Mobile Communication Network Physical Layer Technical Part 1: General Description 135 (USD) via email in 1-3 business day VALID
YD/T 1059-2004 Mobile communication system base station antennas 255 (USD) via email in 1-3 business day
YD/T 1366-2006 Testing methods for RAN equipment of 2GHz TD-SCDMA digital cellular mobile communication network 2490 (USD) via email in 1-10 business day VALID
YD/T 1369.4-2006 Technical requirements for Iub interface of 2GHz TD-SCDMA digital cellular mobile communication network part 4:NBAP signalling 5940 (USD) via email in 1-10 business day ABOLISHED
YD/T 1607-2007 Technical Requirements and Test Methods for Visual Transmission Characteristics of Mobile Terminal via email in ABOLISHED please email coc@codeofchina.com for quotation
YDC 021-2003 Technical Specification of Upper Layer (Layer3) Signaling for 800MHz CDMA 1X Digital Cellular Mobile Telecommunication Network 9540 (USD) via email in 1-10 business day ABOLISHED
YD/T 2035-2009 Technical requirements for short message spam filtering on mobile terminals via email in VALID please email coc@codeofchina.com for quotation
YD/T 1720-2007 Test Method of HSDPA RAN for 2GHz TD-SCDMA Digital Cellular Mobile Communication Network via email in ABOLISHED please email coc@codeofchina.com for quotation
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