本实例实现GSM模块的发送短消息，对读者有较大的帮助，希望我们一起探讨-Examples of the realization of the GSM module to send a short message, the readers have more help, hoping that we will explore

应用SIM340 + 8051 MCU 开发的GPRS 应用的软件,有借鉴作用-SIM340+ 8051 MCU application development GPRS application software, there is reference