Study on the application of trunking system in the fire communication

Except the public mobile communication system, t he trunking communication systems have become a special essential communications system. Because the distinguishing feature of one-button intercom, emergency call and multi-group scheduling and dispatching emergency functions, the trunking communication system can be used widely in the fire commanding communication. This paper introduces briefly the definition, classification and composition of trunking communication and put forward the frequency, work modes, networking modes of the fire trunking communication system. Besides, the advantages of the trunking communication system using in fire, such as the powerful dispatch function, flexible networking, large coverage, the number of multi-channel investment and low maintenance costs, etc are analyzed.