How to configure the Concox GK503 device via SMS

This guide shows how to connect the Concox GK503 tracker to the platform using SMS commands. Send each command from the SIM card installed in the device, in the order indicated below.

SMS Commands

1. Factory Reset

To restore the device to factory settings, use the appropriate command. This is useful if you want to reconfigure the device from the beginning.

AT+GTRTO=gv55,4,,,,,,FFFF$

2. Time Zone Configuration

Adjusting the time zone is essential to ensure that location information is accurate. Use the command below to configure the time zone as needed.

AT+GTTMA=gv55,+,0,0,0,,,,,,FFFF$

3. APN Settings

APN settings are crucial for the device's connectivity. APN, username, and password information must be adjusted according to the carrier of the SIM card used.

AT+GTBSI=gv55,agilis.algar.br,agilis,agilis,,,,,FFFF$

AT+GTBSI=gv55,allcom.br,allcom,allcom,,,,,FFFF$

AT+GTBSI=gv55,datacard.nextel3g.net.br,,,,,,,FFFF$

AT+GTBSI=gv55,jbgprs.algar.br,algar,algar,,,,,FFFF$

AT+GTBSI=gv55,linksolutions.br,link,link,,,,,FFFF$

AT+GTBSI=gv55,m2data.arqia.br,arqia,arqia,,,,,FFFF$

AT+GTBSI=gv55,m2data.vivo.com.br,arqia,arqia,,,,,FFFF$

AT+GTBSI=gv55,m2data.vivo.com.br,vivo,vivo,,,,,FFFF$

AT+GTBSI=gv55,meta.br,algar,algar,,,,,FFFF$

AT+GTBSI=gv55,smart.m2m.vivo.com.br,vivo,vivo,,,,,FFFF$

AT+GTBSI=gv55,ss.algar.br,algar,algar,,,,,FFFF$

AT+GTBSI=gv55,ss.br,arqia,arqia,,,,,FFFF$

AT+GTBSI=gv55,tim.br,tim,tim,,,,,FFFF$

AT+GTBSI=gv55,transmeet.br,transmeet,transmeet,,,,,FFFF$

AT+GTBSI=gv55,voxter.algar.br,algar,algar,,,,,FFFF$

AT+GTBSI=gv55,voxter.algar.br,nlt,nlt,,,,,FFFF$

Make sure that the information is correct for a successful connection.

4. DNS and Port Configuration

Configuring the DNS server and port is necessary to ensure that the device connects correctly to the network. Use the following commands to set the servers.

AT+GTSRI=gv55,4,,2,central.trackar.com.br,5023,,,,0,0,0,1,,,FFFF$

5. Sending Interval

The data sending interval can be adjusted as needed. It is important to set the time and communication angle to optimize the performance of the tracker.

AT+GTFRI=gv55,1,0,,0,0000,0000,,60,200,1000,,20,3300,,,,,FFFF$

6. External Battery Configuration

Configuring the external battery is essential to ensure the continuous operation of the tracker. Adjust the parameters as needed.

AT+GTEPS=gv55,2,1000,28000,2,3,0,0,0,0,1,30,30,,FFFF$

7. Global Settings

Global settings allow you to define general parameters for the device. It is important to review and adjust as necessary.

AT+GTCFG=gv55,gv55,,1,0,,,3F,2,,1F2F,1,1,1,120,2,1,1,1,1F,0,FFFF$

8. Enable Tow Alarm

Activating the tow alarm is an important feature for vehicle security. Use the command below to enable this function.

AT+GTTOW=gv55,1,5,1,60,0,0,0,0,2,3,2,,,,,,,,,FFFF$

9. Request Position

To obtain the current location of the device, use the appropriate command. This can be useful in various situations.

AT+GTRTO=gv55,1,,0,,,,FFFF$

This command is essential for real-time monitoring.

Special commands

1. Special Commands

Special commands allow you to perform additional functions on the device. Use them as needed.

AT+GTRTO=gv55,3,,,,,,FFFF$

AT+GTHMC=gv55,1,00000:00:00,,,,,,,,,FFFF$

AT+GTRTO=gv55,D,,,,,,FFFF$

AT+GTRTO=gv55,0,,0,,,,FFFF$

AT+GTRTO=gv55,7,,0,,,,FFFF$

AT+GTJDC=gv55,2,25,,5,10,10,,0,0,0,0,,FFFF$

AT+GTJDC=gv55,0,25,,5,10,10,,0,0,0,0,,FFFF$

AT+GTOUT=gv55,1,0,0,0,0,0,,,,0,,,,,,,FFFF$

AT+GTOUT=gv55,0,0,0,0,0,0,,,,0,,,,,,,FFFF$