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.

It’s actually a fairly straightforward hack. The Mini PCI-e standard has a couple of pins dedicated to USB data lines, which the modem in question uses for communicating with the host computer.

See PCI and PCI Express. Cellular wireless adapters ... See wireless broadband and cellular modem. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.