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YD/T 1032-2000 Limits and Measurement Methods of Electromagnetic Compatibility for 900/1800MHz Digital Cellular Telecommunications System Part1:Mobile Station and Ancillary Equipment 255 (USD) via email in 1-3 business day ABOLISHED
YD 5215-2015 via email in VALID please email coc@codeofchina.com for quotation
YDN 043-1997 915 (USD) via email in 1-8 business day VALID
YD/T 2011-2009 Technical Requirements of Services based on the Unified IMS Call Waiting (CW) and Call HOLD (HOLD) Services (Release 1) via email in VALID please email coc@codeofchina.com for quotation
YD/T 2677-2013 Technical requirements for physical layer and MAC layer of specialized broadband wireless access system based on BRadio 1809 (USD) via email in 1 business day VALID
YD/T 2032-2009 Distribution of Performance Objectives in IP Network via email in VALID please email coc@codeofchina.com for quotation
YD/T 1808-2008 Testing Methods for Access Network Equipment-2nd-generation Asymmetric Digital Subscriber line (ADSL 2)and Extended Bandwidth 2nd-generation Asymmetric Digital Subscriber Line (ADSL 2plus) 870 (USD) via email in 1-8 business day VALID
YD/T 5080-2005 Design Specification of Network Management System of SDH Optical Fiber Cable Telecommunication Project 585 (USD) via email in 1-5 business day VALID
YD/T 1232-2002 800MHz CDMA digital cellular mobile telecommunication netwrok Wireless Intelligent Network (WIN)phasel:technical specification of Service Control Point (SCP)equipment 285 (USD) via email in 1-3 business day VALID
YD/T 1185-2002 Access network technical specifications-Single-pair High bit rate Digital Subscriber Line(SHDSL) 1215 (USD) via email in 1-10 business day VALID
YDN 018-1996 1050 (USD) via email in 1-8 business day
YDC 009-2002 The Test Method of Switches for Fixed Subscribers to Select the Different LongDistance Network 735 (USD) via email in 1-5 business day VALID
YD/T 1455-2014 via email in VALID please email coc@codeofchina.com for quotation
YD/T 603-1992 via email in ABOLISHED please email coc@codeofchina.com for quotation
YD/T 2636-2013 Framework and capability requirements for network intelligent capability enhancement 600 (USD) via email in 1 business day VALID
YD/T 1294-2003 Technical requirements of optical transceiver modules for ATM passive optical networks (A-PON)155Mb/s burst-mode transceiver modules 255 (USD) via email in 1-3 business day VALID
YD/T 1374.7-2007 Technical Requirements for Iu Interface of 2GHz TD-SCDMA/WCDMA Digital Cellular Mobile Communication Network(Phase Ⅱ)Part 7:Service Area Broadcast Protocol(SBAP) via email in VALID please email coc@codeofchina.com for quotation
YD/T 828.25-1996 210 (USD) via email in 1-3 business day VALID
YD/T 1843.2-2009 2GHz TD-SCDMA Digital Cellular Mobile Telecommunication Network:HSUPA Physical Layer Technical Requirements Part 2: Physical Channels and Mapping of Transport Channels onto Physical Channels via email in ABOLISHED please email coc@codeofchina.com for quotation
YD/T 941-1997 ISDN user-network interface supplementay service comformance testing specification 2175 (USD) via email in 1 business day VALID
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