D-LINK DWA-137, Wireless N300 High-Gain USB Adapter, 802.11b/g/n compatible 2.4GHz, Up to 300Mbps data transfer rate, two integrated antennas, 64/128-bit WEP data encryption, Wi-Fi Protected Access (WPA, WPA2), Wi-Fi Protected Setup (WPS) - PIN & PBC, External WPS button, WiFi Certified, USB 2.0, compatible with Windows XP, Vista, Windows7 or Windows8, Without USB cradle | D-Link