This tracker tk103a is a vehicle tracking product based on the gsm/gprs network and gps satellite positioning system. It provides multiple functions, such as security, positioning, surveillance, emergency alarms and fleet management and so on.It can track and monitor remote target by smsfeatures:
gps/gsm station positioning.
Sms/gprs/internet network data transfer.
Point-to-point, point to group, group-to-group monitoring.
Continuously auto track upon different time and distance intervals.
Absolute street address with gsm network.
Sd card for data logging.
Can be installed on bus, taxi, truck, car, etc.
Maximum 5 cell phone numbers are allowed to admin the tracker.
Other functions: sos, geo-fence, movement alarm, over speed alarm, accident alarm, voice monitoring etc.It give you the power to monitor and control vehicle just at the tip of your fingers