Model: GPS103A,GPS103B

Difference: 103B has remote controller.103A don't have.

Main functions: 
1. GPS + LBS double solution,exact street address
2. Auto track continuously 
Track by time 
Track by distrance 
3.Turning points update automatically
4.GPS drift suppression
5. Auto logging: in case of no GSM coverage, tracker will store all tracking data & alarm data in sd card. 
When GSM coverange is resumed, it will send data automatically to authorized phone or server. 
6.Alarms
ACC working alarm 
Power off alarm 
Shock alarm 
Door open alarm 
Fuel theft alarm 
Low battery alarm
GPS blind Spot alert
SOS
Geo-fence
Overspeed alert
Movement alert
Multi-area management
Built in Acceleration Sensor Alarm
7.Sleep Mode: Sleep by time, sleep by shock 
8. Real time tracking via SMS or GPRS (TCP/UDP) 
9.Track on demand by calling or sms comamnd
10. Live http google map link in message 
11.Five authorized phone numbers 
12. Voice monitor  
13.Easy switch for track or Monitor