Unfortunately it’s not quite as simple as just soldering on a four-wire USB cable. The modem relies on the 3.3V power from the Mini PCI-e slot instead of the 5V from USB. No problem ...
Mini PCI is a subset of the PCI interface that uses ... Type II cards include RJ-45 connectors on the board, and the card must be housed at the edge of the laptop so the sockets reach the outside.