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Position: Standard Search VALID TO BE VALID SUPERSEDED TO BE SUPERSEDED ABOLISHED TO BE ABOLISHED
Standard No. Title Price(USD) Delivery Status Add To Cart
YD/T 502-2000 Requirements of diesel generator sets for telecommunications 105 (USD) via email in 1-3 business day ABOLISHED
YD/T 1686-2007 Speech Quality and Transmission Performance Requirements and Testing Methods for IP Telephony Terminal Equipment via email in ABOLISHED please email coc@codeofchina.com for quotation
YD/T 575-1992 Lead Charaters for Post and Telegraph Date-stamp 180 (USD) via email in 1 business day SUPERSEDED
YDN 099-1998 3075 (USD) via email in 1-10 business day VALID
YD/T 722-1994 120 (USD) via email in 1-3 business day VALID
YD/T 731-2002 High Frequency Switch-mode Rectifier for Telecommunication 345 (USD) via email in 1-3 business day ABOLISHED
YD/T 588-1992 105 (USD) via email in 1-3 business day ABOLISHED
YD/T 526-1992 120 (USD) via email in 1-3 business day ABOLISHED
YD/T 981.1-1998 Optical fibre ribbon cables for access network 255 (USD) via email in 1-3 business day ABOLISHED
YD/T 1926.2-2009 IT Operations and Maintenance Service Management Technical Specification Part 2:Managed Service Definition via email in VALID please email coc@codeofchina.com for quotation
YDC 074-2008 Technical Requirements for 800MHz CDMA 1X Digital Cellular Mobile Communications Network BCMCS Equipment - Access Terminal (AT) via email in 1 business day VALID please email coc@codeofchina.com for quotation
YD/T 1756-2008 Classified Management Security Protection Requirements for Telecom Network and Internet 240 (USD) via email in 1-3 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
YD/T 1483-2006 Technical requirement and measurement method of spurious emission of radio equipments 435 (USD) via email in 1-3 business day ABOLISHED
YD/T 1550.2-2007 Technical Specification for 2GHz WCDMA Digital Cellular Mobile Communication Network Iub Interface(Phase I)Part 1:Layer 1 via email in VALID please email coc@codeofchina.com for quotation
YD/T 925-1997 Fiber optic cable end case 105 (USD) via email in 1-3 business day VALID
YD/T 2616.1-2014 via email in VALID please email coc@codeofchina.com for quotation
YD/T 1311-2004 Specification of Internet Anti-Spam 225 (USD) via email in 1-3 business day VALID
YD/T 2639-2013 Technical requirements for terminal diagnose and monitoring management object function of mobile communication 710 (USD) via email in 1 business day VALID
YD/T 2961-2015 440 (USD) via email in 1 business day VALID
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