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    YD/T 1484.6-2021 Wireless terminal space radio frequency radiated power and receiver performance measurement methods - Part 6: LTE wireless terminal

    China Telecommunication Industry - YD Standards

    YD/T 2869.1-2021 Terminal MIMO antenna performance requirements and measurement methods Part 1: LTE wireless terminals

    China Telecommunication Industry - YD Standards

    YD/T 3932-2021 LTE/CDMA/TD-SCDMA/WCDMA/GSM(GPRS) multi-mode dual-card multi-standby terminal protocol conformance test method

    China Telecommunication Industry - YD Standards

    YD/T 3931-2021 TD-LTE digital cellular mobile communication network home base station equipment test method

    China Telecommunication Industry - YD Standards

    SL/T 807!2021 Technical specification for epoxy resin grouting materials for hydraulic structures{咎}

    China Water Resources Industry - YD Standards

    SL/T 313!2021 Construction Geological Code for Water Conservancy and Hydropower Engineering{咎}

    China Water Resources Industry - YD Standards

    SL/T 291.1!2021 Water Conservancy and Hydropower Engineering Exploration Regulations Part 1: Geophysical Exploration{咎}

    China Water Resources Industry - YD Standards

    SN/T 5318-2021 Determination of Polycyclic Aromatic Hydrocarbons in Tires - Nuclear Magnetic Resonance Method

    China Import&Export Inspection Industry - YD Standards

    SN/T 3306.17-2021 Frontier port loop-mediated isothermal amplification (LAMP) detection method Part 17: Hydatid

    China Import&Export Inspection Industry - YD Standards

    JT/T 443!2021 Hydraulic steering gear push rudder hydraulic cylinder test method

    China Transport Industry - YD Standards

    NY/T 3879-2021 Determination of 25-hydroxyvitamin D3 in feed

    China Agriculture Industry - YD Standards

    YD/T 3930-2021 5G digital cellular mobile communication network test method for base station equipment in the frequency band below 6GHz (first stage)

    China Telecommunication Industry - YD Standards

    YD/T 3929-2021 5G digital cellular mobile communication network technical requirements for base station equipment in the frequency band below 6GHz (first stage)

    China Telecommunication Industry - YD Standards

    YD/T 3928.6-2021 Internet Basic Resource Support System Interface Test Specification Part 6: Content Delivery Network (CDN)

    China Telecommunication Industry - YD Standards

    YD/T 3927-2021 New gTLD service on the Internet - Technical requirements for domain name registration protocols that support DNSSEC

    China Telecommunication Industry - YD Standards

    YD/T 2408-2021 Mobile intelligent terminal security capability test method

    China Telecommunication Industry - YD Standards

    YD/T 1591-2021 Technical requirements and test methods for mobile communication terminal power adapter and charging/data interface

    China Telecommunication Industry - YD Standards

    YD/T 1538-2021 General test method for audio performance of digital mobile terminals

    China Telecommunication Industry - YD Standards

    YD/T 2484-2021 Packet-enhanced Optical Transport Network (OTN) equipment technical requirements

    China Telecommunication Industry - YD Standards

    YD/T 3926-2021 LTE FDD digital cellular mobile communication network base station equipment test method (fourth stage)

    China Telecommunication Industry - YD Standards

    YD/T 3925-2021 LTE FDD digital cellular mobile communication network - technical requirements for base station equipment (the fourth stage)

    China Telecommunication Industry - YD Standards

    YD/T 3924-2021 TD-LTE digital cellular mobile communication network base station equipment test method (the fourth stage)

    China Telecommunication Industry - YD Standards

    YD/T 3923-2021 TD-LTE digital cellular mobile communication network technical requirements for base station equipment (the fourth stage)

    China Telecommunication Industry - YD Standards

    YD/T 3922-2021 LTE digital cellular mobile communication network - technical requirements for terminal equipment (the fourth stage)

    China Telecommunication Industry - YD Standards

    YD/T 3921-2021 Technical requirements for centralized authentication of public wireless local area network users and local data forwarding

    China Telecommunication Industry - YD Standards

    YD/T 3920-2021 Software Defined Packet Transport Network Controller Technical Requirements

    China Telecommunication Industry - YD Standards

    YD/T 3919-2021 Technical requirements and test methods for EPON/GPON aggregation and remote equipment

    China Telecommunication Industry - YD Standards

    YD/T 3918-2021 Access network equipment test method Optical line terminal (OLT) supporting network slicing

    China Telecommunication Industry - YD Standards

    YD/T 3917-2021 Access network equipment test method Wavelength routing method WDM-PON

    China Telecommunication Industry - YD Standards

    YD/T 3916-2021 Access network equipment test method 10Gbit/s symmetrical passive optical network (XGS-PON)

    China Telecommunication Industry - YD Standards


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