重要的串口通信，短信发送，短信猫，DELPHI源码，方便测试-Serial communication, SMS sending, SMS cats, DELPHI source, convenient test

GPS汽车卫星定位防盗系统，采用VB实现了对GPS模块的读写，和对短信猫的读写，以及被跟踪汽车的实时跟踪-GPS satellite positioning automobile anti-theft system, using VB realize the GPS module to read and write, and read and write SMS cats, as well as real-time tracking tracked vehicles