mmcli – K4SBC

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Configure EM7355 GPS

K4SBC

This entry is part 3 of 4 in the series FZ-M1 4G GPS Activation

In this part, now that ModemManager isn’t interfering, verify the onboard GPS and the qmi-to-gps link is enabled. We do this with AT (attention) commands. One of the oldest (maybe THE oldest?) method of sending instruction to a modem. AT terminals are accessed across whatever /dev/tty device they are assigned using the socat command. Refer.

Configuring the FZ-M1 for GPS

K4SBC

This entry is part 2 of 4 in the series FZ-M1 4G GPS Activation

Now to prep the OS and modem for the work that needs done. Start by probing the modem for information: Then take the number the system assigned the modem (mine’s zero but it can vary): The most important pieces here for this project are under System. Note the device: path and the primary port: and.