Sapido AU-4912 (WU605n) Mini USB 2.0 Network Adapter with Wireless-N (802.11)150 Mbps One-Touch WPS & WMM (Wi-Fi Multimedia) Technology One of the smallest wireless adapters, which hides well in USB port and ideal for travel Support IEEE 802.11n, 150 Mbps; 802.11b, 802.11g; 802.11e QoS Enhancement; 802.3az, Green WLAN Technology, Power saving WMM (Wi-Fi Multimedia) prioritizing to eliminate lag on real-time streaming for Video, Music, Skype etc. One-touch WPS button for secure wireless network; Security 64/128 bit WEP Encryption, WPA1/2-PSK, WPA1/2 -802.1X, and AES-CCM security Compatible with Mac, Linux, and Windows (XP, Vista, Windows 7) operating systems