multi-functional two way contact gps tracker TK10

Multi-functional gps trackerProduct Features 1)GPS individual or fleet positioning; 2)GSM /GPRS modem supports two frequency bands, i.e. 900/1800(850/1900)MHz(options) 3)High-sensitivity, new workmanship and the most advanced GPS chip; 4)Can accurately position even if with weak signals; 5)Can work effectively in limited space such as the remote and narrow places in a city; 6)Low energy consumption; 7)Fast signal capturing; 8)Supports single positioning and continuous tracking; 9)Supports alarming and remote monitoring; 10)Supports fast dial button; 11)Supports the location information inquiry by SMS and Internet 12)May monitor without disturbing the tracked person and realizes real-time tracking; 13)Can position the holder by call or mobile phone SMS; 14)In emergency, press the SOS button to have an accurate positioning. Product Specifications GSM module GSM850/1900Hz or GSM900/1800MHz, two combinations GPS chip Latest GPS sensitivity -159dBm GPS center frequency L1, 1575.42MHz GPS positioning accuracy 5-25m GSM positioning accuracy 100-500m Speed accuracy 0.1 m/s Time accuracy Synchronous with GPS Default data WGS-84 Hot start 1s Warm start 38s Max. altitude 18000m Max. speed 515m/s Gravitational acceleration less than 4g Working temperature -20---65°C Humidity 5%---95% Dimensions 80×49×16 mm Voltage Rechargeable 800mAh battery Power supply DC5V Standby time over 48h Buttons One SOS emergency button for emergency aid; Call 1, Call 2, Receive and Hang up buttons.