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本文介绍了一种实用的集群移动通信系统的无线信道板控制电路，此电路以8（）C18最小微机控制系统为核心，利用调制解调器FX429的信令信号处理电路，结合4052模拟开关的话务信号转接电路，通过8251的保密模块控制电路，来实现移动通信系统中系统机和无线用户的信令接续，有线和无线用户的明密话转换以及模拟话路的接续。
This paper introduces a practical wireless communication board trunking control circuit of trunking mobile communication system. This circuit takes 8 () C18 minimal microcomputer control system as the core, utilizes the signaling signal processing circuit of modem FX429, and combines the traffic signal of 4052 analog switch Transfer circuit, through the 8251’s security module control circuit, to achieve the mobile communication system in the system and the wireless user signaling connection, the wired and wireless users, the conversion of the phone and the analog phone conversation.