The DWL-G520M Wireless 108G MIMO PCI Adapter is a wireless network adapter produced by D-Link, designed for desktop PCs to provide Wi-Fi connectivity. It supports the IEEE 802.11g standard with speeds up to 108 Mbps, utilizing MIMO (Multiple Input Multiple Output) technology for improved range and signal quality. This card allows your desktop computer to connect to wireless networks, including both 802.11g and 802.11b standards, and it is typically installed inside the computer in a PCI slot.

The Windows driver for the DWL-G520M enables the operating system to properly communicate with the wireless adapter, allowing it to scan for available wireless networks, connect to them, and manage the connection settings. Without the driver, Windows will not recognize the adapter, and you will not be able to use it for networking.