FastFox Mini 300Mbps USB WiFi Wireless LAN Network USB 2.0 Adapter Computer Accessories for Internet Surfing and On-line Gaming without Antenna Built-in smart antenna.To connect your laptop or desktop to a wireless network and enjoy high speed wireless performance. Interface: USB 2.0, 1.1 Standard Standards: IEEE 802.11g,IEEE 802.11b,IEEE 802.11n (draft 2.0),CSMA/CA with ACK Supported OS:Windows 2000/XP/Vista/WIN 7/WIN CE/LINUX/MAC OS Power Consumption: Receive Mode: 260mA(max) ; Transmit Mode: 420mA(max)