Manufacturer: Shenzhen Concox

The advanced features, rugged construction and industry-leading battery life make the AT4 the new state of the art in GPS vehicle tracking. Using GPS, LBS positioning, AT4 gives detailed reports and tell you exactly where a vehicle has been, where it's headed and how fast it's traveling. With 10000mAh battery and IPX5 water proof to maximize performance, it puts you in total control of individual vehicles or fleets. Strong magnet facilitates the installation while built-in MIC realizes voice monitoring.

Name Description
Unique ID:


Server Port


Name Description

Voltage level


GSM Signal Strength:

0x00: no signal;

0x01: extremely weak signal;

0x02: weak signal;

0x03: good signal;

0x04: strong signal.


Serial number of data sent


Mobile Country Code


Mobile Network Code


Location Area Code


Cell Tower ID


ACC Status. ACC low: 00, ACC high: 01


GPS data upload mode

0x00 Upload by time interval

0x01 Upload by distance interval

0x02 Inflection point upload

0x03 ACC status upload

0x04 Re-upload the last GPS point when back to static.

0x05 Upload the last effective point when network recovers.


0x00 Real time upload 0x01 Re-upload


Signal level of community,range 0x00~0xFF,

0x00 Weakest signal

0xFF Strongest signal


Value= “Actual time of signal from Mobile Station to Location base”-“Time of signal from Mobile Station to Location base supposed the distance is 0”


Voltage Level:

0x00:No Power (shutdown)

0x01:Extremely Low Battery (not enough for calling or sending text messages, etc.)

0x02:Very Low Battery (Low Battery Alarm)

0x03:Low Battery (can be used normally)



0x06:Very High


Alarm information:



2:Power cut alarm

3: Vibration alarm

4:Enter fence alarm 

5:Exit fence alarm

6 Over speed alarm

9 Displacement alarm

10:Enter GPS dead zone alarm

11:Exit GPS dead zone alarm

12: Power on alarm

13: GPS First fix notice

14: Low battery alarm

15: Low battery protection alarm

16 SIM change notice

17 Power off alarm

18 Airplane mode alarm

19 Displacing alarm

20 Door alarm

21 Low battery and shutdown alarm

22 Sound control alarm 

23 Pseudo base-station alarm

24 Disassemble alarm

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The Team


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