Alfa AWUS036NH 2000mW 2W 802.11g/n High Gain USB Wireless G/N Long-Range WiFi Network Adapter with 5dBi Screw-On Swivel Rubber Antenna and 7dBi Panel Antenna and Suction cup/Clip Window Mount 802.11b/g and "N", 2000mW of power which is more powerful than ANY other WiFi adapter on the market Includes a 4inch 5dBi Screw-On Swivel Rubber Antenna and 7DdBi Panel antenna Very Secure with wireless data encryption with 64/128-bit WEP, WPA, WPA2, TKIP,and AES Compatible with IEEE 802.11n, 802.11b/g/n wireless standards Supports driver for Windows 2000, XP 32/64, Vista 32/64, Windows 7, Linux (2.4.x/2.6.x),and Mac (10.4.x/10.5.x)