NETGEAR FA511 CardBus Mobile Adapter dual-speed CardBus Ethernet PC Card is a 32-bit, high-performance adapter that allows any CardBus-equipped computer to connect to an Ethernet or Fast Ethernet network. Model FA511 supports hot-swapping, allowing you to insert and remove it as necessary, without having to turn off or reset your PC. With a compact, dongle-free design, Plug-and-Play simplicity, and PCI-like performance, the Model FA511 unleashes the power of today's notebook PCs, allowing you to keep pace with demanding applications and advanced desktop technologies.