2025-12-21 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Position: Search valid to be valid superseded to be superseded abolished to be abolished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
YD/T 4170-2022 Test Methods of ePDG for Untrusted WLAN access to EPC based on S2b 405.0 via email in 1~5 business day valid,,2023-1-1
YD/T 4169-2022 Technical requirements for untrusted WLAN access to EPC equipment (ePGD) based on S2b 405.0 via email in 1~5 business day valid,,2023-1-1
YD/T 4168-2022 General technique requirements of PS Data Off in LTE 210.0 via email in 1~3 business day valid,,2023-1-1
YD/T 4167.1-2022 Technical requirements and testing methods for billing performance of billing system of 5G mobile network packet data service-Part1: NSA architecture 495.0 via email in 1~5 business day valid,,2023-1-1
YD/T 4166-2022 Registration and verification of inter network routing Internet routing registration data specification 480.0 via email in 1~5 business day valid,,2023-1-1
YD/T 4165-2022 Technical requirement of 5G network voice service interworking 255.0 via email in 1~3 business day valid,,2023-1-1
YD/T 4164-2022 Coordination mechanism and handling requirements for interconnection and number portability problems 240.0 via email in 1~3 business day valid,,2023-1-1
YD/T 4162-2022 Technical Requirements for The Monitoring Interface of Number Portability 330.0 via email in 1~5 business day valid,,2023-1-1
YD/T 4163-2022 Technical Requirements for Non-Telecom Operators to Support Number Portability 195.0 via email in 1~3 business day valid,,2023-1-1
YD/T 4161-2022 User Interface and Procedure Requirements for Number Portability 300.0 via email in 1~5 business day valid,,2023-1-1
YD/T 4160-2022 Technical Requirement of Service Order Administration System for Number Portability 330.0 via email in 1~5 business day valid,,2023-1-1
YD/T 4159-2022 Technical Requirement of Local Service Management System for Number Portability 300.0 via email in 1~5 business day valid,,2023-1-1
YD/T 4158-2022 Technical requirements of network interworking for number portability 330.0 via email in 1~5 business day valid,,2023-1-1
YD/T 4157-2022 Transmission Performance Requirements and Test methods for speech recognition devices in vehicle 330.0 via email in 1~5 business day valid,,2023-1-1
YD/T 2308-2022 Transmission performance requirements and testing methods for narrowband voice communication device in vehicle 1125.0 via email in 1~5 business day valid,,2023-1-1
YD/T 1884-2022 Sound pressure level limit requirement and test method of telecommunication & information terminal equipment 500.0 via email in 1~5 business day valid,,2023-1-1
YD/T 4154-2022 Maintenance requirements of spray liquid cooling system for telecommunication stations/sites 255.0 via email in 1~3 business day valid,,2023-1-1
YD/T 4153.2-2022 Thermal control equipment of compound indirect evaporativecooling unit for computer and data processing room-Part 2: Air chiller 255.0 via email in 1~3 business day valid,,2023-1-1
YD/T 4153.1-2022 Thermal control equipment of compound indirect evaporativecooling unit for computer and data processing room-Part1: Water chiller 285.0 via email in 1~3 business day valid,,2023-1-1
YD/T 4152-2022 Low temperature type valve-regulated lead acid battery for telecommunications 255.0 via email in 1~3 business day valid,,2023-1-1
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YD/T 4170-2022 Test Methods of ePDG for Untrusted WLAN access to EPC based on S2b 
  Issued on: 2022-9-30   Price(USD): 405.0
YD/T 4169-2022 Technical requirements for untrusted WLAN access to EPC equipment (ePGD) based on S2b 
  Issued on: 2022-9-30   Price(USD): 405.0
YD/T 4168-2022 General technique requirements of PS Data Off in LTE 
  Issued on: 2022-9-30   Price(USD): 210.0
YD/T 4167.1-2022 Technical requirements and testing methods for billing performance of billing system of 5G mobile network packet data service-Part1: NSA architecture 
  Issued on: 2022-9-30   Price(USD): 495.0
YD/T 4166-2022 Registration and verification of inter network routing Internet routing registration data specification 
  Issued on: 2022-9-30   Price(USD): 480.0
YD/T 4165-2022 Technical requirement of 5G network voice service interworking 
  Issued on: 2022-9-30   Price(USD): 255.0
YD/T 4164-2022 Coordination mechanism and handling requirements for interconnection and number portability problems 
  Issued on: 2022-9-30   Price(USD): 240.0
YD/T 4162-2022 Technical Requirements for The Monitoring Interface of Number Portability 
  Issued on: 2022-9-30   Price(USD): 330.0
YD/T 4163-2022 Technical Requirements for Non-Telecom Operators to Support Number Portability 
  Issued on: 2022-9-30   Price(USD): 195.0
YD/T 4161-2022 User Interface and Procedure Requirements for Number Portability 
  Issued on: 2022-9-30   Price(USD): 300.0
YD/T 4160-2022 Technical Requirement of Service Order Administration System for Number Portability 
  Issued on: 2022-9-30   Price(USD): 330.0
YD/T 4159-2022 Technical Requirement of Local Service Management System for Number Portability 
  Issued on: 2022-9-30   Price(USD): 300.0
YD/T 4158-2022 Technical requirements of network interworking for number portability 
  Issued on: 2022-9-30   Price(USD): 330.0
YD/T 4157-2022 Transmission Performance Requirements and Test methods for speech recognition devices in vehicle 
  Issued on: 2022-9-30   Price(USD): 330.0
YD/T 2308-2022 Transmission performance requirements and testing methods for narrowband voice communication device in vehicle 
  Issued on: 2022-9-30   Price(USD): 1125.0
YD/T 1884-2022 Sound pressure level limit requirement and test method of telecommunication & information terminal equipment  
  Issued on: 2022-09-30   Price(USD): 500.0
YD/T 4154-2022 Maintenance requirements of spray liquid cooling system for telecommunication stations/sites 
  Issued on: 2022-9-30   Price(USD): 255.0
YD/T 4153.2-2022 Thermal control equipment of compound indirect evaporativecooling unit for computer and data processing room-Part 2: Air chiller 
  Issued on: 2022-9-30   Price(USD): 255.0
YD/T 4153.1-2022 Thermal control equipment of compound indirect evaporativecooling unit for computer and data processing room-Part1: Water chiller 
  Issued on: 2022-9-30   Price(USD): 285.0
YD/T 4152-2022 Low temperature type valve-regulated lead acid battery for telecommunications 
  Issued on: 2022-9-30   Price(USD): 255.0
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