Sony-Ericsson GR47 were used as GSM/GPRS module for wireless communication, and microchip PIC18F452 as MCU for data traffic control.

• 文中采用索尼爱立信的GR47作为GSM/GPRS的无线通信模块、microCHIP的PIC18F452作为集中器的系统MCU来实现数据传输控制。