Personal GPS tracker Track exactly. for vehicles, kids, old persons, pets. Track secretly, for vehicle-renting/outdoor machines, businessmen, tracking for criminals. Based on GSM/GPRS (850/900/1800/1900MHz) network and GPS to track by short mess... - Update: 2008-06-04

CDMA Tracker SP601 Build-in GPS personal locator Communicating by GSM /SMS or Communicating by GPRS TCP/UDP (optional). Support 4-frequency GSM 850/900/1800/1900 MHZ.(Optional), can works worldwide High sensitivity, new technology and lates... - Update: 2008-06-04

Personal GPS tracker Track exactly. for vehicles, kids, old persons, pets. Track secretly, for vehicle-renting/outdoor machines, businessmen, tracking for criminals. Based on GSM/GPRS (850/900/1800/1900MHz) network and GPS to track by short mess... - Update: 2008-06-04

Dual frequency GSM module (900/800MHz) Home GSM alarm security system 8 wireless guarding zones 1 wireless SOS zone, 6 wireless zones to be definable by user, 1 wireless fire alarm zone, 1 external power disconnecting alarm zone.... - Update: 2008-06-04