2025-12-19 216.73.216.41
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Position: Search valid to be valid superseded to be superseded abolished to be abolished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/T 21645.5-2012 Technical requirements for automatically switched optical network—Part 5:User-Network Interface(UNI) 1140.0 via email in 1~3 business day valid,,2012-10-1
GB/T 28510-2012 Technical specification of stream control transmission protocol 990.0 via email in 1~3 business day valid,,2012-10-1
GB/T 17147-2012 Measurement of audio-frequency noise voltage level in sound broadcasting 210.0 via email in 1~3 business day valid,,2012-10-1
GB/T 28445-2012 Data quality specification for navigation electronic map in personal position 450.0 via email in 1~3 business day valid,,2012-10-1
GB/T 28503-2012 Technical requirements of adaptation layer of No.7 signalling interworking with IP MTP2 user adaptation layer 810.0 via email in 1~3 business day valid,,2012-10-1
GB/T 28502-2012 Technical requirement of interworking between No.7 signalling and IP 600.0 via email in 1~3 business day valid,,2012-10-1
GB/T 28500-2012 Technical requirements of 900/1 800 MHz TDMA digital cellular mobile network signaling system No.7 ISUP 1740.0 via email in 1~3 business day valid,,2012-10-1
GB/T 28501-2012 Technical requirements of telephony routing over IP(TRIP) 660.0 via email in 1~3 business day valid,,2012-10-1
GB/T 28430-2012 Technical specification of data broadcasting in digital television system 1200.0 via email in 1~3 business day valid,,2012-10-1
GB/T 9771.7-2012 Single-mode optical fibres for telecommunication—Part 7:Characteristics of a bending loss insensitive single-mode optical fibre for the access network 180.0 via email in 1~3 business day superseded,2023-5-1,2012-10-1
GB/T 28505-2012 Technical specification of national No.7 signalling system 2 Mbit/s high speed link 330.0 via email in 1~3 business day valid,,2012-10-1
GB/T 28512-2012 Diameter base protocol for IP network 1200.0 via email in 1~3 business day valid,,2012-10-1
GB/T 28507-2012 Description guidelines for voice exhibition of web documents 180.0 via email in 1~3 business day valid,,2012-10-1
GB/T 28434-2012 Technical requirements and measurement methods of digital terrestrial television broadcasting single frequency network adapter 390.0 via email in 1~3 business day valid,,2012-10-1
GB/T 28432-2012 Planning criteria for single frequency networks of digital terrestrial television broadcasting 210.0 via email in 1~3 business day valid,,2012-10-1
GB/T 28433-2012 Technical requirements for single frequency network of digital terrestrial television broadcasting 140.0 via email in 1~3 business day valid,,2012-10-1
GB/T 28518-2012 Flame resistant optical fibre cables for communication for mine 270.0 via email in 1~3 business day valid,,2012-10-1
GB/T 28511.1-2012 Integrated optical path devices based on planar lightwave circuit—Part 1:Optical power splitter based on PLC technology 210.0 via email in 1~3 business day superseded,2025-2-1,2012-10-1
GB/T 21642.3-2012 Technical requirements for IP video conference system devices—Part 3:multipoint control unit 600.0 via email in 1~3 business day valid,,2012-10-1
GB/T 28519-2012 General principles of energy consumption test methods for telecommunication equipment 120.0 via email in 1~3 business day valid,,2012-10-1
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GB/T 21645.5-2012 Technical requirements for automatically switched optical network—Part 5:User-Network Interface(UNI) 
  Issued on: 2012-6-29   Price(USD): 1140.0
GB/T 28510-2012 Technical specification of stream control transmission protocol 
  Issued on: 2012-6-29   Price(USD): 990.0
GB/T 17147-2012 Measurement of audio-frequency noise voltage level in sound broadcasting 
  Issued on: 2012-6-29   Price(USD): 210.0
GB/T 28445-2012 Data quality specification for navigation electronic map in personal position 
  Issued on: 2012-6-29   Price(USD): 450.0
GB/T 28503-2012 Technical requirements of adaptation layer of No.7 signalling interworking with IP MTP2 user adaptation layer 
  Issued on: 2012-6-29   Price(USD): 810.0
GB/T 28502-2012 Technical requirement of interworking between No.7 signalling and IP 
  Issued on: 2012-6-29   Price(USD): 600.0
GB/T 28500-2012 Technical requirements of 900/1 800 MHz TDMA digital cellular mobile network signaling system No.7 ISUP 
  Issued on: 2012-6-29   Price(USD): 1740.0
GB/T 28501-2012 Technical requirements of telephony routing over IP(TRIP) 
  Issued on: 2012-6-29   Price(USD): 660.0
GB/T 28430-2012 Technical specification of data broadcasting in digital television system 
  Issued on: 2012-6-29   Price(USD): 1200.0
GB/T 9771.7-2012 Single-mode optical fibres for telecommunication—Part 7:Characteristics of a bending loss insensitive single-mode optical fibre for the access network 
  Issued on: 2012-6-29   Price(USD): 180.0
GB/T 28505-2012 Technical specification of national No.7 signalling system 2 Mbit/s high speed link 
  Issued on: 2012-6-29   Price(USD): 330.0
GB/T 28512-2012 Diameter base protocol for IP network 
  Issued on: 2012-6-29   Price(USD): 1200.0
GB/T 28507-2012 Description guidelines for voice exhibition of web documents 
  Issued on: 2012-6-29   Price(USD): 180.0
GB/T 28434-2012 Technical requirements and measurement methods of digital terrestrial television broadcasting single frequency network adapter 
  Issued on: 2012-6-29   Price(USD): 390.0
GB/T 28432-2012 Planning criteria for single frequency networks of digital terrestrial television broadcasting 
  Issued on: 2012-6-29   Price(USD): 210.0
GB/T 28433-2012 Technical requirements for single frequency network of digital terrestrial television broadcasting 
  Issued on: 2012-6-29   Price(USD): 140.0
GB/T 28518-2012 Flame resistant optical fibre cables for communication for mine 
  Issued on: 2012-6-29   Price(USD): 270.0
GB/T 28511.1-2012 Integrated optical path devices based on planar lightwave circuit—Part 1:Optical power splitter based on PLC technology 
  Issued on: 2012-6-29   Price(USD): 210.0
GB/T 21642.3-2012 Technical requirements for IP video conference system devices—Part 3:multipoint control unit 
  Issued on: 2012-6-29   Price(USD): 600.0
GB/T 28519-2012 General principles of energy consumption test methods for telecommunication equipment 
  Issued on: 2012-6-29   Price(USD): 120.0
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