500mw High Power 802.11g G High Gain USB 2.0 Wireless B / G Long-Rang WiFi Network Adapter with a 5 dBi Dual Band SMA Antenna Connects to a full 54MPS High-Speed Transfer rate for 802.11g High Security 64/128/256bit WEP Encryption, TKIP, WPA, 802.11 Windows 2000, XP, vista, 7, (32-bit/64-bit), MAC, linux WINDOWS 7 READY