Guangzhou Topten Electronics Factory
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4G OBDII GPS tracker car alarm TK428 with OTA function

– Plug & play design with OBD-II connector;
– Real-time tracking and alarm by SMS/APP/platform;
– Data logger to store 8000 waypoints;
– Smart engine ON/OFF detection;
– Odometer function;
– Over-speed alarm; Movement alarm; Engine on alarm; Vibration alarm;Power failure alarm;
– Acceleration & deceleration(crash) alarm;
– Turn-over alarm;Trailer alarm;
– OTA function(firmware upgraded on air);
– Voltage range: 10V-60VDC, suitable for car or big truck.
– Power save working mode;
– Remote diagnostics function.


1. Plug & play design with OBD-II connector, compatible with all the vehicles with OBD-II connector, supports most of vehicles with the CAN-BUS;
2. Track on command or by time interval via SMS/GPRS;
3. Arm/disarm by SMS or phone call.
4. Check the car’s real physical address (such as city name, street name.);
5. Track by mobile SMS to get the latitude, longitude, speed, direction & odometer etc.
6. Check the location directly by the Google map’s URL;
7. Data logger to store 5520 waypoints.
8. Smart engine ON/OFF detection;
9. OTA function, upgrade firmware on air;
10. Over-speed alarm;
11. Movement alarm which can be used as an alarm;
12. Engine on alarm;
13. Vibration alarm;
14. Power failure alarm, with internal rechargeable backup battery;
15. Turnover alarm when the vehicle falls down accidentally;
16. Acceleration and crash alarm(deceleration) ;
17.Trailer alarm .
18. Routine optimization when vehicle turns a corner.
19. Read remaining fuel level (only for some cars).
20. Voltage range: 10V-60VDC, suitable for car or big truck.
21. Remote diagnostics function. Readings (1) Vehicle’s real-time data: battery’s voltage, RPM, speed, TAP throttle opening, engine load, coolant temperature, fuel consumption, odometer, error code & times, acceleration times & deceleration times; (2) Driver behavior data: ignition time, total driving time, total idling time, average engine hot-start time, average speed, history high speed, history RPM, total acceleration times & total deceleration times. (3) read VIN & DTC, clear DTC.