# How to Send AT Commands to a Teltonika Router?

1. Connect to the router and open a web browser. Enter <http://192.168.1.1> in the address bar and log in.
2. Access CLI (Command Line Interface) by going to “System” > “Maintenance” > “CLI”.

<figure><img src="/files/LFQfXLFsHtYxHmZJwItM" alt=""><figcaption></figcaption></figure>

3. Login to the CLI by entering the username “root” and the router admin password.

<figure><img src="/files/kJuodiMX499UeMEl26qg" alt=""><figcaption></figcaption></figure>

4. To send AT commands, use the following format “gsmctl -A \<AT Command>”
5. Example command that shows the ICCID of the inserted SIM, “gsmctl -A AT+CCID”.

<figure><img src="/files/CVsCRoYmErQDTZrnHyMq" alt=""><figcaption></figcaption></figure>

6. Now you can send any standard AT command to the Teltonika router using this method.

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