TP-Link TL-WN322G 54MBPS Wireless USB Adapter USB 2.0 wireless network adapter, portable and flexible Supports 54/48/36/24/18/12/9/6Mbps or 11/5.5/2/1Mbps data transfer rates Supports Windows 2000, XP 32/64bit, Vista 32/64bit Wireless Signal Rates With Automatic Fallback - 11g: Up to 54Mbps (Dynamic), 11b: Up to 11Mbps (Dynamic) Wireless Security: 64/128/256 bit WEP WPA/WPA2, WPA-PSK/WPA2-PSK (TKIP/AES)