关于对短信猫编程的一些资料(At指令发送短信),很详细，看过就知道-SMS cats programming on some of the information (At command to send text messages), in great detail, read on to know

sim300开发文档，主要包括电话接听和拨打、中英文短信的发送与读取、彩信的发送与读取等。-sim300 development documents, including telephone answering and call, send and read English SMS, MMS send and read.