Terminal based on TETRA digital trunking mobile communication system could send and receive status and short data service message, and achieve navigation and location through short data service.
基于TETRA数字集群移动通信系统开发的TETRA终端，通过数据业务可以发送和接收状态消息和短数据业务消息，利用短数据业务完成终端导航定位功能。
Based on the CDMA2000 1X terminal tetechnology, this paper analyzes and designs the key digital trunking technology and protocols, and make deep research on the terminal digital trunking tetechnology.
本文以CDMA2000 1X终端技术为基础，对数字集群关键技术和协议进行分析和设计，对终端的集群实现进行了深入研究。
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