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See Chinese contents: GA/T 1056-2013 GA/T 1056-2013: Police digital trunking communication system-General technical specifications
This Standard specifies the technical characteristics, system composition and functional requirements, operating frequency band, address and identification code, network management, basic performance indicators of channel equipment, AC power supply system, information security and confidentiality, environment and electromagnetic compatibility, reliability and other general requirements of the police digital trunking (PDT) communication system. This Standard applies to the overall planning, network design, equipment development, production, engineering construction and acceptance of the police digital trunking (PDT) communication system.
