太阳神短信跟踪服务系统， 可注册为windows系统服务，实时发送短信，支持群发-Titan SMS tracking system, registration of the Windows system services, real-time messages sent, mass support

汽车防盗报警与定位追踪系统源程序，电子设计大赛金奖作品。,Car anti-theft alarm system, source and location tracking, e-Gold Design Competition works.

using for active tracking system