2025-12-19 10.8.118.215
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Position: Search valid to be valid superseded to be superseded abolished to be abolished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
YDN 043-1997 Technical Specification for No. 7 ISUP Signaling of Digital Cellular Telecommunication Network 840.0 via email in 1~3 business day valid,,1997-3-1
YD/T 693-1993 Technical requirement of fundamental power supply units for SPC exchange 180.0 via email in 1~3 business day abolished2009-12-01 ,,1994-9-1
YD 5173-2015 Acceptance Specifications for WCDMA Digital Cellular Mobile Communication System Engineering 300.0 via email in 1 business day valid,,2015-10-1
YD/T 1418-2008 Technical Requirements for Access Network -- Multi-Service Access Node (MSAN) 340.0 via email in 1~3 business day abolished2024-07-11,,2008-7-1
YD/T 1229.4-2010 Technical requirements for mobile terminal data synchronization Part 4: Transport bindings protocol 1664.0 via email in 1~5 business day superseded2013-06-01,2001-12-9,2011-1-1
YD/T 1718-2007 Testing Methods for Service and Protocol in Peer to Peer Multimedia Messaging Service Interworking 510.0 via email in 1~3 business day valid,,2008-3-1
YD/T 993-1998 Technical requirments and test methods of lightning resistibility for telecommunication terminal equipment 160.0 via email in 1~3 business day superseded,2006-10-1,1999-6-1
YD/T 3243-2017 Telepresence conference system - Service requirements 300.0 via email in 1~5 business day valid,,2017-7-1
YD/T 2145-2010 Guidance for defining web service technology-based network management interface 210.0 via email in 1~3 business day valid,,2011-1-1
YD/T 1159-2001 Test Methods of Optical Wavelength Division Multiplexing (WDM) System 435.0 via email in 1~3 business day superseded2016-07-01,2016-7-1,2001-11-1
YD/T 2751-2014 Mobile Widget Device Technical Requirements 255.0 via email in 1~3 business day valid,,2014-10-14
YD/T 3251.4-2017 Passive device for signal distributing system of mobile communcations Part 4: Hybrid bridge 160.0 via email in 1~3 business day superseded2025-11-01,2025-11-1,2017-7-1
YD/T 5115-2005 Specifications of Engineering Design for Mobile Communication Repeater 300.0 via email in 1~3 business day superseded,2015-10-1,2006-10-1
YD/T 2483.2-2013 2GHz TD-SCDMA/WCDMA digital cell mobile communications network home NodeB subsystem management technicalspecification Part 2: CORBA based information model design 810.0 via email in 1~5 business day valid,,2013-6-1
YD/T 5047-2005 Standard for Design of Integrated Telecommunications Business Hall 280.0 via email in 1~3 business day abolished2017-5-12,,2006-10-1
YD/T 2853-2015 Technical requirements for security gateway in LTE network 165.0 via email in 1~3 business day valid,,2015-10-1
YD/T 2133-2010 Technical requirements for media delivery system-scenario and requirements 210.0 via email in 1~3 business day valid,,2011-1-1
YD/T 1350.1-2005 Technical specification of Wavelength Division Multiplexing (WDM) system network management interface Part1: interface function part 250.0 via email in 1~3 business day valid,,2005-11-1
YD/T 1721.6-2011 2GHz TD-SCDMA digital cellular mobile telecommunication network - HSDPA physical layer technical requirement - Part 6: Physical layer measurement 240.0 via email in 1~3 business day valid,,2011-6-1
YDB 160-2015 Technical specification on smart TV application software programming interfaces via email in business day valid,,2015-11-5
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YDN 043-1997 Technical Specification for No. 7 ISUP Signaling of Digital Cellular Telecommunication Network  
  Issued on: 1997-1-1   Price(USD): 840.0
YD/T 693-1993 Technical requirement of fundamental power supply units for SPC exchange 
  Issued on: 1994-03-26   Price(USD): 180.0
YD 5173-2015 Acceptance Specifications for WCDMA Digital Cellular Mobile Communication System Engineering  
  Issued on: 2015-04-30   Price(USD): 300.0
YD/T 1418-2008 Technical Requirements for Access Network -- Multi-Service Access Node (MSAN) 
  Issued on: 2008-03-13   Price(USD): 340.0
YD/T 1229.4-2010 Technical requirements for mobile terminal data synchronization Part 4: Transport bindings protocol 
  Issued on: 2011-1-1   Price(USD): 1664.0
YD/T 1718-2007 Testing Methods for Service and Protocol in Peer to Peer Multimedia Messaging Service Interworking 
  Issued on: 2007-12-5   Price(USD): 510.0
YD/T 993-1998 Technical requirments and test methods of lightning resistibility for telecommunication terminal equipment 
  Issued on: 1998-12-30   Price(USD): 160.0
YD/T 3243-2017 Telepresence conference system - Service requirements 
  Issued on: 2017-4-12   Price(USD): 300.0
YD/T 2145-2010 Guidance for defining web service technology-based network management interface 
  Issued on: 2011-1-1   Price(USD): 210.0
YD/T 1159-2001 Test Methods of Optical Wavelength Division Multiplexing (WDM) System 
  Issued on: 2001-10-19   Price(USD): 435.0
YD/T 2751-2014 Mobile Widget Device Technical Requirements  
  Issued on: 2014-10-14   Price(USD): 255.0
YD/T 3251.4-2017 Passive device for signal distributing system of mobile communcations Part 4: Hybrid bridge 
  Issued on: 2017-04-12   Price(USD): 160.0
YD/T 5115-2005 Specifications of Engineering Design for Mobile Communication Repeater 
  Issued on: 2006-7-25   Price(USD): 300.0
YD/T 2483.2-2013 2GHz TD-SCDMA/WCDMA digital cell mobile communications network home NodeB subsystem management technicalspecification Part 2: CORBA based information model design 
  Issued on: 2013-4-25   Price(USD): 810.0
YD/T 5047-2005 Standard for Design of Integrated Telecommunications Business Hall 
  Issued on: 2006-7-25   Price(USD): 280.0
YD/T 2853-2015 Technical requirements for security gateway in LTE network  
  Issued on: 2015-04-30   Price(USD): 165.0
YD/T 2133-2010 Technical requirements for media delivery system-scenario and requirements  
  Issued on: 2011-1-1   Price(USD): 210.0
YD/T 1350.1-2005 Technical specification of Wavelength Division Multiplexing (WDM) system network management interface Part1: interface function part 
  Issued on: 2005-5-11   Price(USD): 250.0
YD/T 1721.6-2011 2GHz TD-SCDMA digital cellular mobile telecommunication network - HSDPA physical layer technical requirement - Part 6: Physical layer measurement  
  Issued on: 2011-5-18   Price(USD): 240.0
YDB 160-2015 Technical specification on smart TV application software programming interfaces 
  Issued on: 2015-11-05   Price(USD):
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