what is a usb adapter?
wireless USB LAN adapter. Related Terms. A high-speed wireless network card that is used to access a network through a USB port on a computer or laptop. Most wireless USB LAN adapters look like small USB flash drives and usually are based on the 802.11g standard which provides a data rate up to 54-Mbps in a wireless LAN environment. Some wireless USB LAN adapters may also support the 802.11b standard. A wireless USB LAN adapter basically enables you to share files, folders, printers, other network resources and Internet access.