To attach a Fibocom module (like the LG10 GL) to a mobile network using AT commands, you generally follow a sequence of steps. Below is a typical AT command sequence to connect to a network, including setting up the APN, initiating the connection, and verifying the status. ### AT Command Sequence to Attach to a Network #### 1. Connect to the Module Make sure your module is powered on and connected to your PC or microcontroller through a serial interface. #### 2. Set Network Mode (if applicable) You may need to set the network mode (e.g., 4G or 5G): plaintext AT+CNBAND="5G" // Use "4G" or "3G" as needed *Expected Response:* plaintext OK #### 3. Set the APN (Access Point Name) Set the APN for your mobile network provider: plaintext AT+CSTT="your_APN","username","password" - Replace your_APN with the APN provided by your carrier. - If no username or password is required, you can leave them empty. *Expected Response:* plaintext OK #### 4. Bring Up the PDP Context Initiate the connection to the network: plaintext AT+CIICR *Expected Response:* plaintext OK #### 5. Get IP Address Request the assigned IP address: plaintext AT+CIFSR *Expected Response:* plaintext <your_IP_address> // e.g., 192.168.1.2 #### 6. Check Network Registration Status Check if the module is registered on the network: plaintext AT+CREG? *Expected Response:* plaintext +CREG: 0,1 // Registered in home network or plaintext +CREG: 0,5 // Registered in roaming #### 7. Check Signal Quality (Optional) You can check the signal quality to ensure you have a good connection: plaintext AT+CSQ *Expected Response:* plaintext +CSQ: <rssi>,<ber> Where <rssi> indicates the signal strength. #### 8. Start Data Connection (Optional) If you want to initiate a data connection (e.g., HTTP): 1. *Open a TCP connection*: plaintext AT+CIPSTART="TCP","example.com","80" *Expected Response:* plaintext CONNECT OK 2. *Send Data*: plaintext AT+CIPSEND After seeing >, you can type your data, for example: plaintext GET / HTTP/1.1 Host: example.com Connection: close Then press *Ctrl+Z* to send. 3. *Receive Data*: You will receive a response back from the server. ### Summary This sequence of AT commands will allow you to attach the Fibocom module to a mobile network and verify your connection. Ensure that you replace placeholder values (like your_APN, username, password, and example.com) with the actual values relevant to your setup. If you have any specific requirements or encounter issues, let me know!

prusa-dev/fibocom-connect-l8x0 (github.com)