Prerequisites

All four Development Kits should have at least basic driver support on recent Linux distributions. A Quectel confirmed to us that only in very few cases you need to patch the existing drivers.

Install ModemManager GUI

For Ubuntu/Debian system

sudo apt install modem-manager-gui

(you find a quick overview of the ModemManager GUI and how to install it on other Linux distributions here:

Modem Manager GUI: An excellent App for managing USB modems

This also installs the ModemManager daemon and the CLI tool too

Connect you Development Kit

Start the Modem Manager GUI

Connect your Devkit with your computer via USB. Some of the Devkits have seperate power switches, be sure to turn them on (! the Quectel PCIE Kit even has to power switches)

It can take some time until the the devkits are running, when it's ready it should appear under "Devices"

With the Modem Manager GUI you can: