GB/T 34991-2017
Active12.5kHz TDMA channel based professional digital trunking communication system—Technical specifications for physical layer and data link layer of air interface
基于12.5kHz信道的时分多址（TDMA）专用数字集群通信系统 空中接口物理层及数据链路层技术规范
Application Summary AI generated
This standard specifies the technical requirements for the physical layer and data link layer of the air interface in professional digital trunking communication systems operating on 12.5kHz TDMA channels. It is applied in the design, development, and testing of digital trunking radios and base stations used by public safety, transportation, and industrial sectors for efficient, interference-resistant voice and data communication. The standard ensures interoperability and performance consistency among equipment from different manufacturers in mission-critical professional mobile radio (PMR) networks.
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