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Position: Standard Search VALID TO BE VALID SUPERSEDED TO BE SUPERSEDED ABOLISHED TO BE ABOLISHED
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YD/T 5228-2015 via email in VALID please email coc@codeofchina.com for quotation
YD/T 1596-2007 Technical Specification and Testing Methods for Repeater Used in 2GHz cdma2000 Digital Cellular Mobile Communication Network via email in ABOLISHED please email coc@codeofchina.com for quotation
YD 5025-1996 Designing Specifications of Plastic Duct for Long Haul Telecommunication Optical Cable 345 (USD) via email in 1-3 business day ABOLISHED
YD/T 826-1996 250 (USD) via email in 1 business day SUPERSEDED
YD/T 962.1-1998 EMS operational forms Dispatch list for domestic EMS 135 (USD) via email in 1-3 business day ABOLISHED
YD/T 711.1-1994 120 (USD) via email in 1-3 business day ABOLISHED
YD/T 1190-2002 Network-based IP VPN 375 (USD) via email in 1-3 business day VALID
YD/T 1138-2006 Electromagnetic Compatibility Requirement and Measurement Methods for Fixed Radio Links and Ancillary Equipment 330 (USD) via email in 1-3 business day ABOLISHED
YD/T 552-1992 Measuring method for the channel attenuation distortion in the communication network via email in ABOLISHED please email coc@codeofchina.com for quotation
YD/T 1168-2001 The Technical Requirement of User Identify Module(UIM)for 800MHz CDMA Digital Cellular Mobile Telecommunication Network 825 (USD) via email in 1-8 business day ABOLISHED
YD/T 672-1994 165 (USD) via email in 1-3 business day
YD/T 1746-2008 Security Protection Requirements for tne IP Bearer Network 255 (USD) via email in 1-3 business day ABOLISHED
YD/T 910.1-1997 900/1800MHz TDMA digital cellular mobile telecommunication network man-machine of mobile station(Phase 2) 1185 (USD) via email in 1-8 business day VALID
YD/T 300-1983 120 (USD) via email in 1-3 business day ABOLISHED
YD 207-1981 15 (USD) via email in 1-3 business day ABOLISHED
YD/T 1377.2-2005 Testing methods of service and protocol of peer to peer short message interworking between networks.Part2:Tesing methods of peer to peer short message interworking between PSTN and PSTN 585 (USD) via email in 1-5 business day VALID
YD/T 206.25-1997 105 (USD) via email in 1-3 business day VALID
YD/T 1039.2-2000 900/1800MHz TDMA Digital Cellular Mobile Telecommunication Network Short Message Center Equipment Specification Part two:Cell Broadcast short message Service 420 (USD) via email in 1-3 business day VALID
YD 148-1978 via email in ABOLISHED please email coc@codeofchina.com for quotation
YD/T 1843.4-2009 2GHz TD-SCDMA Digital Cellular Mobile Telecommunication Network:HSUPA Physical Layer Technical Requirements Part 4:Spreading and Modulation via email in VALID please email coc@codeofchina.com for quotation
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