GPS403A include : GPS unit ,harness cable, microphone ,relay ,manual ,box
GPS403B include : GPS unit ,remote controller,harness cable, microphone ,relay ,manual ,box

Main functions : 
1. Mini size ,for car motorcycle trucks taxi ,etc 
2. support 2G/4G sim cards
3. Remote immobilizing (Cut off engine , resume engine) 
4. Built-in gsm gps antenna 
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.Voice monitor  
10.Easy switch for track or Monitor
11.Configure by USB cable

4 tracking solutions:
- SMS tracking by calling, return google map link
- Absolute street address by SMS
- free tracking web platform  
- free mobile app