Model::tk-168 Details: Summary Working based on existing gsm/gprs network and gps satellites, this product can Locate and monitor remote targets by sms or internet. Main functions -vehicle positioning and tracking -cutting oil and power remotely -replay the driving trace -history data backup -km/distance -anti-theft and anti-robbery -monitor vehicle driving -dispatch the vehicle by sms Features - personal or vehicle gps positioning and fleet management. - cutting oil and power remotely - free online real-time tracking platform - world-wide use - frequency: gsm 900/1800/1900mhz or 850/900/1800/1900mhz (optional) - high-sensitive, high-tech and most advanced gps chipset. - positioning precisely even in weak signal cover surrounding. - work well even in limit space like narrow street or lane in busy city. - compact and easy to be hidden - low power consumption - receive gps signal quickly - support sms and gprs modes - support alarm and remote monitoring(optional) - support sms and internet positioning and tracking - monitor and track the vehicle secretly - positioning by phone call or via sms. - sos function(optional) Technical specifications Gsm module Gsm 850/900/1800/1900mhz Gps chipset Sirf3 Gps sensitivity -159dbm Gps frequency L1, 1575.42mhz Gps accuracy 5-25meter Speed accuracy 0.1 meter/second Time accuracy Synchronous to gps Default data Wgs-84 Hot start 1second Cold start 38 second Max asl 18000 meter Max speed 515meter/second Gravitational acceleration ¬é4g Working temperature -20---65íµ Working humidity 5%---95% Voltage 10ví¬25v Power supply 10ví¬25v Stand-by average current < 80ma Led Led indicates the gps, gsm Working status and other status Alarm switch Sos Packing 1set/gift box