一个实现GPRS无线上网的程序，通过AT指令来控制GPRS模块实现TCP/IP传输文件数据-A program to achieve GPRS wireless Internet access via AT commands to control the GPRS module TCP/IP transport file data

该程序是接受GPRS的控制台应用程序，应用TCP协议-The program is accepting GPRS console application, the TCP protocol