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GB/T 34991-2017  China national standard english version:

　
GB
中华人民共和国国家标准
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

GB/T 34991-2017

12.5kHz 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
Issued Date:2017-11-01 　 Implemented Date:2018-02-01
Issued by: 　 The Standardization Administration of the People's Republic of China
　

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GB Standard Code GB/T 34991-2017
Standard Category China National Standards
GB Standard English Title 12.5kHz TDMA channel based professional digital trunking communication system—Technical specifications for physical layer and data link layer of air interface
GB Standard Chinese Title 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
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