SIM300的GSM模块的收发短信，电话，以及GPRS收发的C#程序。不甚完善，有待改进，不过测试通过可以用的。-SIM300 of the GSM module send and receive text messages, phone, and GPRS transceiver in C# program. Not quite perfect, room for improvement, but the test can be useful.

通过Atmega64控制SIM300模块实现GSM发送短信的功能-By Atmega64 control module SIM300 GSM functions to send text messages