4. List of AT Commands

The protocol is derived from a standard AT protocol used for modems and GSM modules. The command format is AT[command]<CR>, or AT[command]<CR><LF> irrespective of the case. The response contains no or a few text lines, an empty line <CR><LF> and the response type: OK, ERROR or BUSY. To repeat the last command, enter A/<CR>.

Here is what you can find in this section:

• 4.1 Basic Commands
• 4.2 Configuration Commands