Linksys AE2500 High Performance Dual-Band Wireless-N Adapter IEEE 802.11a/b/g/n USB 2.0 Up to 300Mbps Wireless Data Rates Wireless Data Rates: Up to 300Mbps Frequency Band: 2.4 GHz / 5 GHz Standards: IEEE 802.11a/b/g/n Security: WPA2 LEDs: Link/Activity Antenna: 2 x Internal Antenna System Requirements: Windows XP SP3, Windows Vista SP1 or later, or Windows 7 Features: Wireless Dual-Band N (2.4 or 5 GHz) High speed up to 300 Mbps Optimized for streaming video & gaming