Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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YD/T 908-2000 Naming rules for type of optical fibre cables 75.0 via email in 1~3 business day abolished
GB/T 13615-2009 Electromagnetic environment protection requirements for earth stations 225.0 via email in 1~3 business day valid
YD 5078-1998 Specifications on Lightning Protection for Power Supply System in Engineering of Telecommunications 860.0 via email in 1~5 business day superseded
YD/T 790-1995 Signs for Telecommunication Services 90.0 via email in 1~3 business day valid
GB/T 13619-2009 Interference calculation methods for digital radio-relay systems 600.0 via email in 1~3 business day valid
GB/T 14733.6-2005 Terminology for telecommunication— Space radiocommunication 345.0 via email in 1~3 business day valid
GB/T 3383-1982 Telecommunication transmission unit; Decibel 30.0 via email in 1~3 business day valid
GB/T 14733.12-1993 Terminology for telecommunications-Optical communication 600.0 via email in 1~8 business day superseded
GB/T 14733.2-1993 Terminology for telecommunications-Transmission lines and waveguides 510.0 via email in 1~5 business day abolished
YD/T 1643-2007 Technical Specification and Testing Methods for Compatibility between Wireless Communication Devices and Hearing Aids 900.0 via email in 1~3 business day abolished
GB/T 14733.10-1993 Terminology for telecommunications-Antennas 525.0 via email in 1~5 business day superseded
GB 4824-1996 Limits and methods of measurement of electromagnetic disturbance characteristics of industrial scientific and medical (ISM) radio frequency equipment 315.0 via email in 1~5 business day abolished
GB/T 7400.11-1999 Digital television terminology 240.0 via email in 1~3 business day abolished
QX 4-2000 Technical specifications for lightning protection at the meteorological offices (stations) 270.0 via email in 1~3 business day superseded
YD/T 1429-2006 Performance requirements and Testing Methods for Lightning Protection system of Running Telecommunication Stations/Sites 330.0 via email in 1~3 business day valid
YD/T 1633-2007 Test Methods of Electromagnetic Compatibility on-Site 280.0 via email in 1 business day superseded
GB/T 14733.11-1993 Terminology for telecommunications-Telecommnication 690.0 via email in 1~8 business day superseded
QX 3-2000 Technical specifications for protecting the meteorological information system from lightning electromagnetic impulse 790.0 via email in business day valid
GB/T 16532-1996 Speech material library used DRT for articulation evaluation of communication equipments 975.0 via email in 1~3 business day abolished
GB/T 14733.9-1993 Terminology for telecommunications Radio wave propagation 615.0 via email in 1~8 business day abolished
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