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Standard No. Title Price(USD) Delivery Status Add To Cart
YD/T 1105-2001 900/1800MHz TDMA Digital Cellular Mobile Telecommunication Network Technical Specification for General Packet Radio Service Switching Sub-system Equipment 540 (USD) via email in 1-5 business day VALID
YDN 091.1-1998 960 (USD) via email in 1-8 business day ABOLISHED
YD/T 1911-2009 Security Technical Requirements and Test Methods for Sofeswitch Services Access Control Device via email in VALID please email coc@codeofchina.com for quotation
YD/T 868-2007 Technical Requirements and Measuring Methods for Additional Equipments for Telephone Set 150 (USD) via email in 1-3 business day VALID
YD/T 5181-2009 Provisional Acceptance Specification for Broadband Ip Metro Area Network Engineering via email in VALID please email coc@codeofchina.com for quotation
YD/T 1188-2002 Access network technical specifcation--Asymmetric Digital Subscriber Line(ADSL)CPE-side equipment 285 (USD) via email in 1-3 business day ABOLISHED
YDN 034.1-1997 ISDN Subscribers - Specification for Network Interfaces Part 1: Technical Specification for Physical Layers 1710 (USD) via email in 1 business day VALID
YD/T 1680-2007 Test Mothod for 2GHz cdma2000 Digital Cellular Mobile Communication Network Equipment High Rate Packet Data (Phase Ⅱ)Access Terminal via email in ABOLISHED please email coc@codeofchina.com for quotation
YD/T 1371.2-2008 Technical Requirements for Uu Interface Physical Layer of 2GHz TD-SCDMA Digital Cellular Mobile Communication Network Part 2:Physical Channels and Mapping of Transport Channels onto Physical Channels via email in VALID please email coc@codeofchina.com for quotation
YD/T 1407-2005 Technical specification and test method for interconnecting communication quality of internet exchange (NAP) 210 (USD) via email in 1-3 business day VALID
YDC 063-2007 Technical Requirement of TD-SCDMA/ GSM (GPRS) Dual Mode Digital Mobile Station via email in VALID please email coc@codeofchina.com for quotation
YD/T 1681-2007 Technical Requirements for 2GHz cdma2000 Digital Cellular Mobile Communication Networks:High Rate Packet Data(HRPD)(Phase Ⅱ)Air Interface via email in ABOLISHED please email coc@codeofchina.com for quotation
YD/T 2858.3-2015 via email in VALID please email coc@codeofchina.com for quotation
YD/T 2700-2014 via email in VALID please email coc@codeofchina.com for quotation
YD/T 1565-2007 Testing Methods for 2GHz cdma2000 Digital Cellular Mobile Communication Networks:Signaling Conformance for High Rate Packet Data (HRPD)(Phase Ⅰ)Air Interface via email in ABOLISHED please email coc@codeofchina.com for quotation
YDC 045-2007 General Technical Requirements of Networking Based on Softswitch via email in VALID please email coc@codeofchina.com for quotation
YD/T 2629.2-2015 via email in VALID please email coc@codeofchina.com for quotation
YD/T 1963-2009 Distance Learning Communications Platform Communication Protocols via email in VALID please email coc@codeofchina.com for quotation
YD/T 1151-2001 New Service Technical Specification-Multimedia Retrieval System 900 (USD) via email in 1-8 business day VALID
YD 249-1997 via email in ABOLISHED please email coc@codeofchina.com for quotation
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