本程序是一个用C51开发的单片机程序，它的功能是把数据通过单片机串行口发给手机模块，使手机模块以短信方式实现远程通信。-This program is a microcontroller with C51 development program, its function is the data distributed to the mobile phone module in the microcontroller serial port, remote communication SMS m

通过RS233串行口操作短信猫,完成短消息发收发操作.-Operation via RS233 serial port SMS cat, complete the short message sent transceiver operation.