Drivers

NB | USB 211/280: 
https://www.silabs.com/products/development-tools/software/usb-to-uart-bridge-vcp-drivers

NB | USB 410: 
https://www.u-blox.com/sites/default/files/qud.win_.1.1_installer_10044.7.zip

Software

NB | EASY (Software Tool)

ublox m-center (AT-command Console)

Device controlling via AT Commands

The NB | USB sticks can be controlled by sending so-called AT commands via UART over the USB interface (e.g. via the ublox m-center)

NB | USB 211/280

AT manual: https://www.u-blox.com/sites/default/files/SARA-N2_ATCommands_%28UBX-16014887%29.pdf

Com port settings

Use port with Device Name "Silicon Labs Dual CP210x USB to UART Bridge: Enhanced COM port"

NB | USB 410

AT manual: https://www.u-blox.com/sites/default/files/SARA-R4-SARA-N4_ATCommands_%28UBX-17003787%29.pdf

Com port settings

Use port with Device Name "Qualcomm HS-USB Modem 90B2"