such as an LTE or 5G laptop, you should be able to use a SIM card or eSIM. Some newer devices might not actually have a physical SIM card slot, so you might need to specifically rely on an eSIM.

These modems would often slot into a Mini PCI-e slot in the netbook ... matter of figuring out which pins are used to talk to the SIM card, and soldering them up to a SIM adapter, or directly ...