2024-11-22 18.221.59.121
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Position: Search valid to be valid superseded to be superseded abolished to be abolished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
CJ/T 539-2019 General technical specifications of Tramway signal system 304.0 via email in 1~3 business day valid,,2020-6-1
DB11/T 1139-2019 via email in business day abolished2024-04-01 ,2024-4-1,2020-4-1
DB11/T 1139-2023 The stipulation of energy efficiency limit of data centers 135.0 via email in 1~3 business day valid,,2024-4-1
DB11/T 1158-2015 via email in business day valid,,
DB31/T 534-2011 Energy-saving standards for communication operations systems 90.0 via email in 1~3 business day superseded,2021-7-1,2011-9-1
DB32/T 4670-2024 Technical specification for 5G edge cloud of coaxial access network via email in business day valid,,2024-2-9
DB37/T 3645-2019 via email in business day valid,,2019-9-6
DL/T 888-2004 Electric power system dispatching exchange specification of DTMF signalling 180.0 via email in 1~3 business day valid,,2005-4-1
GA 330-2001 Transmission technology protocol of alarm for 351 MHz 224.0 via email in 1~3 business day valid,,2001-12-1
GA/T 1578-2019 Specifications for construction of public security communication network for urban rail transit 220.0 via email in 1~3 business day valid,,2019-7-1
GA/T 1794-2021 Technical specifications for public security video conference room 255.0 via email in 1~3 business day valid,,2021-9-1
GA/T 528-2005 Technical specification of vehicle emergency communication system for public security 220.0 via email in 1~3 business day abolished2015-02-12 ,2015-2-12,2005-1-28
GA/T 528-2015 Technical specifications for satellite earth station of public security satellite communication network 370.0 via email in 1~5 business day superseded,2021-9-1,2015-2-12
GA/T 528-2021 Technical specifications for satellite earth station of public security satellite communication network 540.0 via email in 1~5 business day valid,,2021-9-1
GB 12048-1989 Requirements for clock and synchronization equipment used in the digital network 100.0 via email in 1~3 business day valid,,1990-7-1
GB 15539-1995 Technical specifications for trunked mobile radio systems 150.0 via email in 1~3 business day valid,,1995-1-2
GB 3376-1982 Inband pulsing single frequency line signalling system for telephone automatic switching network 224.0 via email in 1~3 business day valid,,1983-10-1
GB 3377-1982 Multi frequency register signalling system for telephone antomatic switching network 270.0 via email in 1~3 business day valid,,1983-10-1
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 3380-1982 Ringing and tone for telephone automatic switching network 90.0 via email in 1~3 business day valid,,1983-10-1
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CJ/T 539-2019 General technical specifications of Tramway signal system 
  Issued on: 2019-10-28   Price(USD): 304.0
DB11/T 1139-2019  
  Issued on: 2019-12-23   Price(USD):
DB11/T 1139-2023 The stipulation of energy efficiency limit of data centers 
  Issued on: 2023-12-25   Price(USD): 135.0
DB11/T 1158-2015  
  Issued on: 2015-01-28   Price(USD):
DB31/T 534-2011 Energy-saving standards for communication operations systems 
  Issued on: 2011-6-22   Price(USD): 90.0
DB32/T 4670-2024 Technical specification for 5G edge cloud of coaxial access network 
  Issued on: 2024-01-09   Price(USD):
DB37/T 3645-2019  
  Issued on: 2019-08-06   Price(USD):
DL/T 888-2004 Electric power system dispatching exchange specification of DTMF signalling 
  Issued on: 2004-10-20   Price(USD): 180.0
GA 330-2001 Transmission technology protocol of alarm for 351 MHz 
  Issued on: 2001-10-15   Price(USD): 224.0
GA/T 1578-2019 Specifications for construction of public security communication network for urban rail transit 
  Issued on: 2019-07-01   Price(USD): 220.0
GA/T 1794-2021 Technical specifications for public security video conference room  
  Issued on: 2021-08-25   Price(USD): 255.0
GA/T 528-2005 Technical specification of vehicle emergency communication system for public security 
  Issued on: 2005-1-28   Price(USD): 220.0
GA/T 528-2015 Technical specifications for satellite earth station of public security satellite communication network 
  Issued on: 2015-02-12   Price(USD): 370.0
GA/T 528-2021 Technical specifications for satellite earth station of public security satellite communication network  
  Issued on: 2021-08-25   Price(USD): 540.0
GB 12048-1989 Requirements for clock and synchronization equipment used in the digital network 
  Issued on: 1989-01-02   Price(USD): 100.0
GB 15539-1995 Technical specifications for trunked mobile radio systems 
  Issued on: 1995-04-06   Price(USD): 150.0
GB 3376-1982 Inband pulsing single frequency line signalling system for telephone automatic switching network 
  Issued on: 1982-12-29   Price(USD): 224.0
GB 3377-1982 Multi frequency register signalling system for telephone antomatic switching network 
  Issued on: 1982-12-29   Price(USD): 270.0
GB 3379-1982 Interoffice direct signalling system for telephone automatic switching network 
  Issued on: 1982-01-02   Price(USD): 570.0
GB 3380-1982 Ringing and tone for telephone automatic switching network 
  Issued on: 1982-12-29   Price(USD): 90.0
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