Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
LoginRegister
Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
YD 536-1992 Test method for parameters of digital interfaces for PCM telecommunication system over network 820.0 via email in 1~5 business day abolished
YD/T 1546-2007 2GHz WCDA Digital Cellular Mobile Communication Network—Uu Interface Technical Specification of RRC 10000.0 via email in 1~3 business day valid
GB/T 14760-1993 measurement methods of transmission performances on optical fiber cable communication systems 105.0 via email in 1~3 business day valid
YD/T 1552-2007 Technical Specification for 2GHz WCDMA Digital Cellular Mobile Communication Network RAN Equipment (Phase Ⅰ) 555.0 via email in 1~5 business day abolished
YD/T 1878.3-2009 800MHz/2GHz cdma2000 Digital Cell Mobile Communications Network (HRPD) Network Management Technical Specification Part 3:Network Resource Model Design based CORBA 690.0 via email in 1~3 business day valid
YD/T 1218-2002 900/1800MHz TDMA digital cellular mobile telecommunication network test method of CAMEL Application Part (CAP)(CAMEL2):SCP part 11295.0 via email in 1~10 business day valid
YDN 026-1997 Technical Requirements for SDH Transmission Network - Input Business and Maintainability Limit Value of SDH Digital Channel and Reuse Section 360.0 via email in 1~3 business day valid
YD/T 1703-2007 Carrier-class IP Qos Architecture 210.0 via email in 1~3 business day valid
YD/T 1062-2000 Switch ISDN user interface on line monitor function 180.0 via email in 1~3 business day valid
YD/T 1570-2007 Technical Specification of 2GHz cdma2000 Digital Cellular Mobile Communication Network Mobile Application Part 3150.0 via email in 1~3 business day valid
YD/T 1572-2007 Testing Methods for A10/A11 Interfaces in 2GHz CDMA 2000 Digital Cellular Mobile Communication Network 810.0 via email in 1~5 business day superseded
YD/T 1195-2002 Test specification for No.7 signalling system—— the 2Mbit/s high speed signalling link 1500.0 via email in 1~10 business day valid
YD/T 941-1997 ISDN user-network interface supplementay service comformance testing specification 2175.0 via email in 1~10 business day valid
YD/T 729-1994 Test Method for Networking of SPC Subscriber Exchange 300.0 via email in 1 business day valid
YD/T 1863.3-2009 2GHz WCDMA Digital Cell Mobile Communications Network HSDPA Management Technical Specification Part 3:CORBA Based Network Resource Model Design 840.0 via email in 1~3 business day valid
GB/T 15838-1995 Measuring methods for the performances of switching equipment clocks in digital synchronous network 195.0 via email in 1~3 business day superseded
YD/T 1041-2000 900/1800MHz TDMA Digital Cellular Mobile Telecommunication Network Technical Specification of SIM Application Toolkit for (SIM-ME)interface 810.0 via email in 1~5 business day abolished
GB/T 13998-1992 methods of the magnetic induced longitudinal EMF, magnetic induced voltage with respect to earth, electric induced current and psophometric voltage on telecommunication lines 75.0 via email in 1~3 business day abolished
GB/T 5443-1985 The test methods for the technical specifications of ringing and tone for automatic telephone switching network 90.0 via email in 1~3 business day valid
YD/T 1267-2003 Technical specification for synchronization netwrok based on SDH transport network 825.0 via email in 1~8 business day valid
About Us | Contact Us | Payment
Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | Send me a messageQQ: 672269886
Copyright: Codeofchina Inc 2008-2020