关键词：车载终端;多通道;斗;基于ARM9;在GPRS
摘 要：The vehicle terminal is part of the vehicle monitoring system,this article introduces ARM 9 and Bei Dou navigation and communication system which consisting of vehicle terminal system,which offers a method not only could combines Bei Dou communication,GPRS communication,Ethernet communication but also provides the multi-channel data acquisition,this method could ensure that the information transmission in the abnormal situations,and also could give full play to a variety of channels,use of resources,improve efficiency,reduce communication costs,and has great application prospects.