Features and SpecificationsUSB WiFi Wireless LAN Network 802.11n Miniature Adapter EP-MS8511Size (about): 3.0cm x 1.2cm x 1.2cm Antenna Length (about): 18.7cm Complies with IEEE 802.11n, IEEE 802.11g and IEEE 802.11b standard Available USB2.0 port Provide 150Mbps receives and sending rate Support 20MHz/40MHz bandwidth Automatic detection and change the network transmission rate Support AD-hoc and infrastructure modes Support software AP and build your wireless LAN Support 64/128-bit WEP, WPA,WPA2 etc encryption methods and 802.1x safe authentication standard Support WPS technolopy(Wi-Fi protection settings) encryption methods to get rid of your memory of a long password Easy to install, plug and play Operating system: Windows 2000/XP/Vista/Win 7/Linux/Mac Package Includes:1 x USB WiFi Wireless LAN Network 802.11n 150M Card Adapter 1 x Antenna 1 x Software Driver CD    Quantity RangeUnit Price1 -- 2$ 10.513 -- 49$ 10.1250 -- 99$ 9.74100 -- 199$ 9.35200 -- 5000$ 9.19  Quality