The new Pi Terminal from Elecrow integrates a 7” IPS touchscreen, a Raspberry Pi CM4 module, and sockets for mini-PCIe cards ...

Type I and III cards connect to external RJ-45 sockets by cables. See PCI and Mini PCI Express. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

These modems would often slot into a Mini PCI-e slot in the netbook motherboard. [delokaver] figured out how to use these 3G cards over USB instead. It’s actually a fairly straightforward hack.