China National Standards
China YD Standards Search System 　
  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    YD/T 4194-2023 5G Terminal NR-Based Voice Solution (VoNR) Technical Requirements

    China Telecommunication Industry - YD Standards
    YD/T 4193-2023 Technical requirements for 5G multi-mode dual-card dual-standby terminal equipment

    China Telecommunication Industry - YD Standards
    YD/T 4192-2023 Technical requirements for mobile data network capability exposure device interface for application capability exposure

    China Telecommunication Industry - YD Standards
    YD/T 4191-2023 5G bearer network interconnection and interworking technical requirements

    China Telecommunication Industry - YD Standards
    YD/T 4190-2023 Optimization method for Internet companies' controllable traffic

    China Telecommunication Industry - YD Standards
    YD/T 4189-2023 Quality requirements and test methods for non-point-to-point short message inter-network forwarding in number portability

    China Telecommunication Industry - YD Standards
    YD/T 4188-2023 Technical requirements for voice service interconnection based on WLAN access to LTE network

    China Telecommunication Industry - YD Standards
    YD/T 4187-2023 Inter-network route registration and verification Technical requirements for prevention of abnormal inter-network routes

    China Telecommunication Industry - YD Standards
    YD/T 4186-2023 Technical Requirements for Test and Acceptance of Live Network Interoperability between IMS Networks

    China Telecommunication Industry - YD Standards
    YD/T 3371-2023 Test method for interworking gateway equipment between IMS networks of different operators

    China Telecommunication Industry - YD Standards
    YD/T 3370-2023 Technical requirements for interworking gateway equipment between IMS networks of different operators

    China Telecommunication Industry - YD Standards
    YD/T 4185-2023 Implementation requirements for interworking between IMS networks

    China Telecommunication Industry - YD Standards
    YD/T 3369-2023 Technical requirements for interworking between IMS networks of different operators

    China Telecommunication Industry - YD Standards
    YD/T 2944-2023 Technical requirements for transmission of calling number between IMS networks

    China Telecommunication Industry - YD Standards
    YD/T 3228-2023 Mobile application software security assessment method

    China Telecommunication Industry - YD Standards
    YD/T 4177.10-2023 Minimum necessary assessment specifications for the collection and use of personal information by mobile Internet applications (APP) Part 10: Call records

    China Telecommunication Industry - YD Standards
    YD/T 4177.8-2023 Minimum necessary assessment specifications for the collection and use of personal information by mobile Internet applications (APP) Part 8: Video information

    China Telecommunication Industry - YD Standards
    YD/T 4183-2023 Data Collection Methods and Mapping Requirements for Exposure to Radio Frequency Electromagnetic Fields

    China Telecommunication Industry - YD Standards
    YD/T 4182-2023 General indicators and test methods for low-speed unmanned system navigation and positioning

    China Telecommunication Industry - YD Standards
    YD/T 4181-2023 Electromagnetic Compatibility Requirements and Measurement Methods for Radio Monitoring Technical Facilities

    China Telecommunication Industry - YD Standards
    YD/T 4180-2023 1GHz ~ 40GHz micro-power short-distance radio transmission equipment radio frequency test method

    China Telecommunication Industry - YD Standards
    YD/T 4179-2023 30MHz゛1GHz Micro-power short-distance radio transmission equipment RF test method

    China Telecommunication Industry - YD Standards
    YD/T 4178-2023 9kHz ~ 30MHz micro-power short-distance radio transmission equipment radio frequency test method

    China Telecommunication Industry - YD Standards
    YD/T 4127-2023 Technical Requirements for Internet Data Center Service Capability Evaluation

    China Telecommunication Industry - YD Standards
    YD/T 4126-2023 Data center infrastructure operation and maintenance personnel competency requirements

    China Telecommunication Industry - YD Standards
    YD/T 4106-2023 Mobile application development cloud platform technical requirements

    China Telecommunication Industry - YD Standards
    DL/T 2561！2022 Technical Guidelines for Condition Maintenance Assessment of Vertical Hydrogenerators

    China Electricity Industry - YD Standards
    DL/T 2560！2022 Technical Guidelines for Condition Maintenance Evaluation of Bulb Tubular Hydrogenerators

    China Electricity Industry - YD Standards
    DL/T 2575！2022 Technical Specifications for Stator Winding Transformation of Bulb Tubular Hydrogenerator

    China Electricity Industry - YD Standards
    DL/T 2573！2022 In-situ Welding Repair Guidelines for Hydro Turbines

    China Electricity Industry - YD Standards

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