The Broadcom 802.11bg WLAN driver is a Windows driver for Broadcom wireless network adapters that support the 802.11b and 802.11g Wi-Fi standards. These standards are older wireless technologies, with 802.11b supporting wireless speeds of up to 11 Mbps and 802.11g supporting speeds of up to 54 Mbps, both operating in the 2.4 GHz frequency range. Broadcom produces wireless networking chips used in a variety of laptops, desktops, and other devices, and these drivers allow the operating system to interact with and manage the wireless network adapter.