NETGEAR's FA511 10/100 CardBus Mobile Ethernet Adapter provides laptops with 32-bit, Plug-and-Play, bus-mastering network connectivity for the utmost in performance and convenience. The savvy FA511 auto-detects network speed without reconfiguration and contains a fully integrated connector for reliable, no-hassle, dongle-free connectivity. CardBus support lets you get the most from your laptop and your network - with advanced performance. And because CardBus operates at a modest 3.3V, it conserves your laptop's power consumption and extends battery life. The FA511 also supports full-duplex capabilities, allowing data to be sent and received simultaneously to increase maximum throughput to 200 Mbps.