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.
Seeed Studio launched a Wi-Fi HaLow mini PCIe module for Raspberry Pi and a Wi-Fi HaLow module for the tiny XIAO ESP32 boards ...
There’s also four mini-PCI-E slots along the top ... adding in a 12-card carrier loaded up with 7 more TPUs, 5 more WiFi cards, and 3 more NVME drives. Outside of some kernel panics from ...