Standard No.:	GB/T 34992-2017
English Name:	12.5kHz TDMA channel based professional digital trunking communication system-Technical specifications for call control layer of air interface
Chinese Name:	基于12.5kHz信道的时分多址（TDMA）专用数字集群通信系统 空中接口呼叫控制层技术规范
Chinese Classification:	M36    Radio communication equipment
Professional Classification:	GB    National Standard
ICS Classification:	33.060.99 33.060.99    Other equipment for radiocommunications 33.060.99
Source Content Issued by:	AQSIQ; SAC
Issued on:	2017-11-01
Implemented on:	2018-2-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	85000 words
Translation Price(USD):	2999.0
Delivery:	via email in 1~5 business day

本标准规定了基于12.5 kHz信道的时分多址(TDMA)专用数字集群通信系统空中接口呼叫控制层的地址码、协议数据单元格式、消息顺序和参数定义等内容。�
本标准适用于频率范围为30 MHz～1 GHz的基于12.5 kHz信道的时分多址(TDMA)专用数字集群通信系统(以下简称“集群系统”)。