GB/T 13503-1992 Generic specification for digital microwave radio relay communication equipment

GJB 151 GJB 152 GB/T 7611-2001 Characteristics of the electrical interface at hierarchical bit rate for digital network GB/T 7611-2016 Characteristics of the electrical interface at hierarchicalbit rate for digital network GB/T 6361-1999 Series of type-spectrums for parabolic antennas used in microwave relay communication systems GB/T 3873-1983 General specifications for products packaging of communication equipments GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 12640-1990 Methods of measurement for the digital microwave radio relay communication equipments GB/T 13543-1992 Environmental test methods for digital communi cation equipments GB/T 13426-1992 Reliability requirements and test methods for digital communication equipment GB/T 13159-1991 Networking specifications for digital radio-relay systems GB/T 13159-2008 Networking specifications for digital radio systems GB 4943-2001 Safety of information technology equipment GB 4943.1-2011 Information technology equipment—Safety—Part 1:General requirements GB 4943.1-2022 Audio/video,information and communication technology equipment—Part 1:Safety requirements GB 4943.21-2019 Information technology equipment—Safety—Part 21:Remote power feeding GB 4943.22-2019 Information technology equipment—Safety—Part 22:Equipment to be installed outdoor GB 4943.23-2012 Information technology equipment—Safety—Part 23:Large data storage equipment GB 12638-1990 Safety requirements of radiation for microwave and ultrashort wave communication equipment GB 13421-1992 Limits of maximum permitted spurious emission power levels and methods of measurement for radio transmitters GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB/T 4943.2-2026 Audio/video,information and communication technology equipment—Part 2:Explanatory information related to GB 4943.1—2022