Alfa AWUS051NH 500mW High Gain 802.11a/b/g/n high power Wireless USB A / B / G / N Wireless WiFi Network adapter With a 5dBi and 9dBi magnetic base Rubber Antenna and Suction cup / Clip Window Mount - High speed Up to 300 Mbps - With Hot Swap Support Compatible with IEEE 802.11n draft 3.0, 802.11a/b/g wireless standards 2.4GHz and 5.8GHz frequency band, MIMO (Multiple Input Multiple Output) High speed transfer RX data rate up to 300 Mbps Supports wireless data encryption with 64/128-bit WEP, WPA, WPA2, TKIP, AES Supports driver for Windows 2000, XP 32/64, Vista 32/64 and Windows 7 - Linux (2.4.x/2.6.x), Mac (10.4.x/10.5.x) Power PC& PC.