2025-12-22 216.73.216.41
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Position: Search valid to be valid superseded to be superseded abolished to be abolished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
GB 3380-1982 Ringing and tone for telephone automatic switching network 90.0 via email in 1~3 business day valid,,1983-10-1
YD/T 1881-2009 The Technical Requirement of Protocal between Different Operators Softswitch Network 390.0 via email in 1~5 business day valid,,2009-9-1
YD/T 1543.1-2007 Technical Specification for 2GHz WCDMA Digital Cellular Mobile Communication Network Iu Interface (Phase Ⅰ)Part 1:General 250.0 via email in 1~3 business day valid,,2007-5-16
YD/T 1959-2009 Technical Requirements for 2048kbit/s Optical Interface Between Relaying Protection Equipment and Multiplexer 150.0 via email in 1~3 business day valid,,2009-9-1
GB/T 3383-1982 Telecommunication transmission unit; Decibel 70.0 via email in 1~3 business day valid,,1983-10-1
YD/T 1254-2003 Access network technical specification-TDD based Ethernet Digital Subscriber Line system (TDD-EDSL):variable length frame transmission mode 630.0 via email in 1~3 business day valid,,2003-1-28
YD/T 1985-2009 Testing methods for IMS system equipments of mobile telecommunication network 3330.0 via email in 1~3 business day valid,,2010-5-1
GB/T 11597-1999 Procedure for the exchange of control information and user data between a packet assembly /disassembly(PAD) facility and a packet mode DTE or another PAD 240.0 via email in 1~3 business day valid,,2000-6-1
GB/T 33845-2017 Technical requirements for access network-Gigabit-capable passive optical network(GPON) 400.0 via email in 1~5 business day valid,,2017-9-1
YD/T 2055-2009 Technical requirements of content filter based on broadband network access server 150.0 via email in 1~3 business day valid,,2010-1-1
GB/T 15844-2017 General specification for professional radio transceiver employing F3E emission in the mobile services 690.0 via email in 1~3 business day valid,,2018-7-1
GB/T 15941-1995 Requirements for synchronous digital hierarch (SDH) optical fiber cable line systems of national public telecommunication network 600.0 via email in 1~8 business day superseded,2008-11-1,1996-8-1
YD/T 1898-2009 The Conformance Testing Specification for IKEv2 Protocol 600.0 via email in 1~3 business day valid,,2009-9-1
YD/T 1315-2004 Test method of adaption layer of No.7 signalling interworking with IP--Message Transfer Part (MTP) level 2 peer-to-peer adaption layer 990.0 via email in 1~5 business day valid,,2005-1-1
YD/T 1546-2007 2GHz WCDA Digital Cellular Mobile Communication Network—Uu Interface Technical Specification of RRC 10890.0 via email in 1~3 business day valid,,2007-5-16
YD/T 1899-2009 Technical Requirements of Deep Packet Inspection Device 300.0 via email in 1~3 business day valid,,2009-9-1
YD/T 1188-2008 Technical Specification for Access Network - ADSL/ADSL2+CPE 220.0 via email in 1~3 business day valid,,2008-11-1
YD/T 1693-2007 Technical Requirements for IP Storage Switch Based on Fibre Channel 240.0 via email in 1~3 business day valid,,2008-1-1
YDN 054-1997 Functional Characteristics of Asynchronous Transfer Model of B-ISDN 180.0 via email in 1~3 business day valid,,1994-2-1
YD/T 985-1998 Regulations for Establishment of Communications Between Audiovisual Terminals With 3 Or More Digital Channels At Below 1930kbit/S 570.0 via email in 1~3 business day valid,,1999-5-1
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GB 3380-1982 Ringing and tone for telephone automatic switching network 
  Issued on: 1982-12-29   Price(USD): 90.0
YD/T 1881-2009 The Technical Requirement of Protocal between Different Operators Softswitch Network 
  Issued on: 2009-06-15   Price(USD): 390.0
YD/T 1543.1-2007 Technical Specification for 2GHz WCDMA Digital Cellular Mobile Communication Network Iu Interface (Phase Ⅰ)Part 1:General 
  Issued on: 2007-5-16   Price(USD): 250.0
YD/T 1959-2009 Technical Requirements for 2048kbit/s Optical Interface Between Relaying Protection Equipment and Multiplexer 
  Issued on: 2009-6-15   Price(USD): 150.0
GB/T 3383-1982 Telecommunication transmission unit; Decibel 
  Issued on: 1982-1-2   Price(USD): 70.0
YD/T 1254-2003 Access network technical specification-TDD based Ethernet Digital Subscriber Line system (TDD-EDSL):variable length frame transmission mode 
  Issued on: 2003-01-28   Price(USD): 630.0
YD/T 1985-2009 Testing methods for IMS system equipments of mobile telecommunication network 
  Issued on: 2009-12-11   Price(USD): 3330.0
GB/T 11597-1999 Procedure for the exchange of control information and user data between a packet assembly /disassembly(PAD) facility and a packet mode DTE or another PAD 
  Issued on: 1999-11-11   Price(USD): 240.0
GB/T 33845-2017 Technical requirements for access network-Gigabit-capable passive optical network(GPON) 
  Issued on: 2017-05-31   Price(USD): 400.0
YD/T 2055-2009 Technical requirements of content filter based on broadband network access server 
  Issued on: 2009-12-11   Price(USD): 150.0
GB/T 15844-2017 General specification for professional radio transceiver employing F3E emission in the mobile services 
  Issued on: 2017-12-29   Price(USD): 690.0
GB/T 15941-1995 Requirements for synchronous digital hierarch (SDH) optical fiber cable line systems of national public telecommunication network 
  Issued on: 1995-01-02   Price(USD): 600.0
YD/T 1898-2009 The Conformance Testing Specification for IKEv2 Protocol 
  Issued on: 2009-6-15   Price(USD): 600.0
YD/T 1315-2004 Test method of adaption layer of No.7 signalling interworking with IP--Message Transfer Part (MTP) level 2 peer-to-peer adaption layer 
  Issued on: 2004-07-16   Price(USD): 990.0
YD/T 1546-2007 2GHz WCDA Digital Cellular Mobile Communication Network—Uu Interface Technical Specification of RRC 
  Issued on: 2007-5-16   Price(USD): 10890.0
YD/T 1899-2009 Technical Requirements of Deep Packet Inspection Device 
  Issued on: 2009-6-18   Price(USD): 300.0
YD/T 1188-2008 Technical Specification for Access Network - ADSL/ADSL2+CPE 
  Issued on: 2008-7-28   Price(USD): 220.0
YD/T 1693-2007 Technical Requirements for IP Storage Switch Based on Fibre Channel 
  Issued on: 2007-9-29   Price(USD): 240.0
YDN 054-1997 Functional Characteristics of Asynchronous Transfer Model of B-ISDN 
  Issued on: 1997-8-28   Price(USD): 180.0
YD/T 985-1998 Regulations for Establishment of Communications Between Audiovisual Terminals With 3 Or More Digital Channels At Below 1930kbit/S 
  Issued on: 1998-1-1   Price(USD): 570.0
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