Specific:
- Initialization, send SMS (begin 123456) to the unit, it replies OK, then you initialize all the settings to default factory settings.
- Change password, send your old and new password (remember to add the word password before your password )separates by a space.
- Authorization, there are 5 numbers to be allowed to authorize in the tracker at most.
- Single tracking, make a missed call to device number, it will reply a real time tracking message include longitude and latitude.
- Continuous tracking automatically, send specified format message, it will report data at every 10s when the object is moving and every 500s when it is static.
- Data logging, it can log the tracking position and alerts automatically in the SD card.
- Alarms, it sets with low battery alarm, power off alarm, GPS blind spot alarm, SOS alarm, GEO-fence alarm, movement alarm, overspeed alarm, ACC working alarm and vibration alarm.
- It can cut off and resume the oil and power system of your vehicle.
- You can set up arm by the SMS and the remote controller, you can disarm through the same way too.
- It can switch between GPRS and SMS mode, track and monitor mode, and TCP and UDP mode.
- With it, you can check the vehicle state, IMEI, and reset SMS, set time, GPRS, APN, IP and port, and monitor central number.
Type: GPS,Tracker
Model: TK103B
GPS Bands : GSM 850/900/1800/1900MHz
Network : GSM,GPRS
Voltage Range: 12V - 24V
GPS Sensitivity: - 159 dBm
GPS Start Time: Cold status:45s, Warm status:35s, Hot status:1s
GPS Positioning Precision : 5M

• Remote control with alarm on/off function. 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.
• Support 9-36V, so it can be installed on Bus, taxi, truck ,personal car, business car etc.

Remote control with alarm on/off function. GPS/GSM station positioning.AOAUTO