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YD/T 1939.2-2009 Technical Requirements for Parlay API Mapping Part 2:Parlay API to Mobile Application Part (MAP) and CAMEL Application Part (CAP) for 900/1800 MHz TDMA Digital Cellular Mobile Telecommunication Network Mapping via email in VALID please email coc@codeofchina.com for quotation
YD/T 885-1997 195 (USD) via email in 1-3 business day
YD/T 1461-2006 Telecommunication optical fiber cables installed in micro-trench 315 (USD) via email in 1-3 business day ABOLISHED
YD/T 1867-2009 800MHz/2GHz cdma2000 Digital Cellular Mobile Telecommunication Network Testing Mothods:Packet Data Subsystem via email in VALID please email coc@codeofchina.com for quotation
YD/T 594-1992 120 (USD) via email in 1 business day VALID
YD/T 5001-1994 1335 (USD) via email in 1-10 business day VALID
YD/T 814.2-2005 Closure for optical fiber cables Part2:Closure for optical fiber composite overhead ground wires 150 (USD) via email in 1-3 business day VALID
YD/T 1329-2004 Integrated Circuit for The overvoltage and overcurrent protection of telecommunications installations 285 (USD) via email in 1-3 business day VALID
YD/T 1057-2000 900/1800MHz TDMA igital cellular mobile telecommunication network test method for tase station subsystem 495 (USD) via email in 1-5 business day VALID
YD/T 836-1996 120 (USD) via email in 1-3 business day
YD/T 557-1992 The Xin-4 Transposition System for Open-wire Telecommunication Line 75 (USD) via email in 1-3 business day VALID
YD/T 2931-2015 via email in VALID please email coc@codeofchina.com for quotation
YD/T 1148-2001 Techinical Requirements of Network Access Server(NAS)-Broadband Network Access Server 570 (USD) via email in 1-5 business day ABOLISHED
YD/T 2563.4-2013 via email in VALID please email coc@codeofchina.com for quotation
YD/T 1744-2008 Security Protection Requirements for Transport Network via email in ABOLISHED please email coc@codeofchina.com for quotation
YD/T 1538-2006 Technical Requirements and Testing Methods for Acoustics Performance of Digital Mobile Terminal via email in ABOLISHED please email coc@codeofchina.com for quotation
YD/T 892-1997 Detail bill for express mail service 225 (USD) via email in 1-3 business day ABOLISHED
YD/T 953-1998 General technical specifications of 2×STM-1SDH microwave telecommunication systems4~11GHz 450 (USD) via email in 1-3 business day ABOLISHED
YD/T 5175-2009 Acceptance Specification of Engineering for Lightning Protection and Earthing for Telecommunication Bureaus (Stations) via email in please email coc@codeofchina.com for quotation
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
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