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1. Wi-Fi in the Default Linux Configuration

Your i.MX 8M NAVQ Plus kit arrives with the Linux image ready for Wi-Fi operation. You will have to configure your specific unit to connect to a local Wi-Fi access point.

2. Setting Up Wi-Fi Antenna

The i.MX 8M NAVQ Plus kit arrives with the Wi-Fi antenna. Make sure it is securely connected to the antenna connector on the System-On-Module and is placed into a position that allows for maximum connectivity with your Wi-Fi Access Point.

3. Using Wi-Fi in Linux

When Linux boots, the Wi-Fi interface is enabled and configured in the default image installed to the kit. Step through the following procedure to configure Wi-Fi for your local environment and then use it to access the Internet:

  1. Validate that the i.MX 8M Plus is able to detect Wi-Fi Access Points in the vicinity:

    Code Block
    user@imx8mpnavq:~$ sudo nmcli device wifi list
    [sudo] password for user:
    IN-USE  BSSID              SSID                   MODE   CHAN  RATE        SIGN>
            28:D1:27:16:FA:C6  ver-inete              Infra  2     130 Mbit/s  70  >
            E8:37:7A:91:6B:B4  Keenetic-9288          Infra  6     270 Mbit/s  59  >
            ....
    # press 'q' to stop the listing and return to shell prompt
    user@imx8mpnavq:~$ 
  2. Connect to a WiFi network:
    user@imx8mpnavq:~$ sudo nmcli device wifi connect <SSID> password "<PASSWD>"

  3. Run sudo reboot to enable connection to the board via ssh or scp.

4. Determining Wi-Fi Signal Strength

Use the following Linux commands to scan for available Wi-Fi access points and determine signal strength:

...