Better yet, the software side is just as simple thanks to the Vodafone USB Modem library for mbed ... t be doing anything that might get your SIM banned. Connecting to the network is a one ...

Typically available as an external USB module, for desktop computers, the modem may also be available on a PCI or PCI Express (PCIe) card that plugs into an empty slot on the motherboard.

The Mini PCI-e standard has a couple of pins dedicated to USB data lines, which the modem in question uses for ... which pins are used to talk to the SIM card, and soldering them up to a SIM ...

TCL’s Linkport ($96) is a small, portable USB-C modem that connects a single device to T-Mobile's 5G network. The Linkport is ...