GPS个人及amp;宠物的追踪器GT89

Product Features: Build-in GPS personal locator. GSM /SMS communication or GPRS TCP/IP connection . Works worldwide! Support 4-frequency GSM 850/900/1800/1900 MHZ.(Optional) High sensitivity,New technology and latest GPS SiRF-Star III chipset! Excellent for fixing the position even at a weak signal status. Work well even in areas with limited sky view like urban canyons . Compact size, and smaller than one name card. Easy to hide Very Low power consumption Fast Signal Acquisition Support single location and continuous tracking Support location triggered by tracker Support location triggered by authorized cell phone Support alarm and remote monitor Support check location by SMS and GPRS web base platform Monitors can track the person without interfering him,LIVE! Real-Time tracking! Locate the locator holder by the mobile phone via SMS(short messaging system). SOS button send out exact location for immediate rescue/action. SOS button calling out for preset numbers. Geo-fencing to restrict movement to a defined radius. Speed alarm and vibration alarm. Background surveillance. Professional web base solution for fleet management. (through GPRS) No monthly service charges to be paid to the call center (through SMS) Accessories Data cable Charger CD