TK105 personal GPS tracker

GSM: GSM850/1900Hz or GSM900/1800MHz
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: 4G

Working temperature: -20-65
Humidity: 5%---95%
Dimensions: 80× 49× 16 mm
Voltage: Rechargeable 800mAh battery
Power supply: DC5V
Standby time: >48h
Buttons: One SOS emergency button for emergency aid; Call 1, Call 2, Receive and Hang up buttons.