2025-12-9 216.73.216.21
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
SJ/T 10231-1991 Technical requirement of wire voice - Band modulation/demodulator for Type 300bit/s 204.0 via email in 1~3 business day valid,,1991-12-1
GB/T 21643-2008 IP Authentication Header 120.0 via email in 1~3 business day valid,,2008-11-1
YD/T 1402-2009 The General Technique Requirements of IP Networks Interconnection 220.0 via email in 1~3 business day superseded,2019-4-1,2009-9-1
GB/T 12197-1990 Methods of measurement for pushbutton telephone with DTMF 1064.0 via email in 1~5 business day abolished2005-10-14 ,,1990-8-1
YD/T 1417-2005 Testing methods for access network equipment-Signle pair High-bit-rate Digital Subscriber Line (SHDSL) 360.0 via email in 1~3 business day abolished2024-07-11,,2006-3-1
YD/T 1548.1-2007 Testing Method for 2GHz WCDMA Digital Cellular Mobile Communication Network User Equipment (Phase Ⅱ) Part 1:Basic Function、Service and Performance Test 800.0 via email in 1~10 business day superseded,2009-9-1,2007-5-16
GB/T 3454-2011 List of definitions for interchange circuits between data terminal equipment(DTE) and data circuit-terminating equipment(DCE) 300.0 via email in 1~3 business day valid,,2011-11-1
GB 3379-1982 Interoffice direct signalling system for telephone automatic switching network 570.0 via email in 1~5 business day abolished2005-10-14 ,,1983-10-1
GB/T 33711-2017 Mobile laboratory. General technical specification for information transmission system 220.0 via email in 1~3 business day valid,,2017-12-1
GB/T 11589-2011 International user classes of service in,and categories of access to,public data networks and integrated services digital networks(ISDNs) 250.0 via email in 1~3 business day valid,,2011-11-1
YD/T 1518-2006 Interoperability Specification and Test Measurement for VoIP Accessing Equipment Based H.248 1590.0 via email in 1~3 business day valid,,2007-1-1
YD/T 1665-2007 Technical Specification for DSL Network Management Interface 1530.0 via email in 1~3 business day valid,,2007-12-1
GB/T 15280-1994 Specifications of voice frequency telegraphic interface 180.0 via email in 1~3 business day abolished2005-10-14 ,,1995-8-1
GB/T 13621-1999 series and radio-frequency channel arrangement and equipment main technical specifications for 100~1 000MHz radio relay communication systems 240.0 via email in 1~3 business day valid,,2000-6-1
YD/T 1507-2007 Technical Specification for MSC Server of 2GHz TD-SCDMA/WCDMA Digital Cellular Mobile Communication Network (Phase Ⅱ) 480.0 via email in 1~3 business day valid,,2007-5-16
YD/T 2049-2009 Test method of security for access network equipment——Digital subscriber line access multiplexer 300.0 via email in 1~3 business day abolished2024-07-11,,2010-1-1
GB/T 13158-1991 Compatibility test procedures of clock and synchroni-zation equipment of digital switch introduced into di-gital network 120.0 via email in 1~3 business day valid,,1992-6-1
YD/T 1580-2007 Technical Specification for 2GHz cdma2000 Digital Cellular Mobile Communication Networks:Physical Layer of Air Interface 2550.0 via email in 1~3 business day valid,,2007-5-16
GB/T 26268-2010 Test method for network intrusion detection system 390.0 via email in 1~3 business day valid,,2011-6-1
YD/T 2021-2009 Security technology specification for mobile network management system 360.0 via email in 1~3 business day valid,,2010-1-1
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SJ/T 10231-1991 Technical requirement of wire voice - Band modulation/demodulator for Type 300bit/s 
  Issued on: 1991-5-28   Price(USD): 204.0
GB/T 21643-2008 IP Authentication Header 
  Issued on: 2008-4-10   Price(USD): 120.0
YD/T 1402-2009 The General Technique Requirements of IP Networks Interconnection 
  Issued on: 2009-6-15   Price(USD): 220.0
GB/T 12197-1990 Methods of measurement for pushbutton telephone with DTMF 
  Issued on: 1990-02-01   Price(USD): 1064.0
YD/T 1417-2005 Testing methods for access network equipment-Signle pair High-bit-rate Digital Subscriber Line (SHDSL) 
  Issued on: 2005-12-26   Price(USD): 360.0
YD/T 1548.1-2007 Testing Method for 2GHz WCDMA Digital Cellular Mobile Communication Network User Equipment (Phase Ⅱ) Part 1:Basic Function、Service and Performance Test 
  Issued on: 2007-05-16   Price(USD): 800.0
GB/T 3454-2011 List of definitions for interchange circuits between data terminal equipment(DTE) and data circuit-terminating equipment(DCE) 
  Issued on: 2011-7-29   Price(USD): 300.0
GB 3379-1982 Interoffice direct signalling system for telephone automatic switching network 
  Issued on: 1982-01-02   Price(USD): 570.0
GB/T 33711-2017 Mobile laboratory. General technical specification for information transmission system 
  Issued on: 2017-05-12   Price(USD): 220.0
GB/T 11589-2011 International user classes of service in,and categories of access to,public data networks and integrated services digital networks(ISDNs) 
  Issued on: 2011-7-29   Price(USD): 250.0
YD/T 1518-2006 Interoperability Specification and Test Measurement for VoIP Accessing Equipment Based H.248 
  Issued on: 2006-12-11   Price(USD): 1590.0
YD/T 1665-2007 Technical Specification for DSL Network Management Interface 
  Issued on: 2007-7-20   Price(USD): 1530.0
GB/T 15280-1994 Specifications of voice frequency telegraphic interface 
  Issued on: 1994-01-02   Price(USD): 180.0
GB/T 13621-1999 series and radio-frequency channel arrangement and equipment main technical specifications for 100~1 000MHz radio relay communication systems 
  Issued on: 1999-1-1   Price(USD): 240.0
YD/T 1507-2007 Technical Specification for MSC Server of 2GHz TD-SCDMA/WCDMA Digital Cellular Mobile Communication Network (Phase Ⅱ) 
  Issued on: 2007-5-16   Price(USD): 480.0
YD/T 2049-2009 Test method of security for access network equipment——Digital subscriber line access multiplexer 
  Issued on: 2009-12-11   Price(USD): 300.0
GB/T 13158-1991 Compatibility test procedures of clock and synchroni-zation equipment of digital switch introduced into di-gital network 
  Issued on: 1991-9-16   Price(USD): 120.0
YD/T 1580-2007 Technical Specification for 2GHz cdma2000 Digital Cellular Mobile Communication Networks:Physical Layer of Air Interface 
  Issued on: 2007-5-16   Price(USD): 2550.0
GB/T 26268-2010 Test method for network intrusion detection system 
  Issued on: 2011-1-14   Price(USD): 390.0
YD/T 2021-2009 Security technology specification for mobile network management system 
  Issued on: 2009-12-11   Price(USD): 360.0
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