GPRS MSP430工程，注释很详细，大家有时间可以

应用笔记\DTU使用常见问题解答.pdf
........\DTU在AT指令模式下发送短信.pdf
........\DTU配合虚拟串口实现远程串口应用.pdf
........\串口命令模式命令说明.pdf
........\关于DTU网络连接的一些基本概念说明.pdf
........\动态域名结合端口映射实现类似公网服务器功能.pdf
........\如何使用DTU+虚拟串口+组态王+PLC.pdf
........\如何使用花生壳动态域名配合DTU搭建自己的数据采集中心.pdf
应用笔记

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