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机车综合无线通信设备(CIR)是为了适应铁路GSM-R的建设和发展构建的新型铁路专用无线通信设备,具有调度通信系统功能、通用数据传输功能,可根据承载业务需要提供通用分组无线服务业务(GPRS)数据
The locomotive integrated wireless communication equipment (CIR) is a new type of railway dedicated wireless communication equipment that is adapted to the construction and development of the railway GSM-R. It has the functions of dispatching communication system and general data transmission function, and provides universal packet radio service according to the bearer service needs (GPRS) data