EW-7811DAC AC600 Wi-Fi Dual-Band Directional High Gain USB Adapter Complies with draft IEEE 802.11ac standard and backward compatible with wireless 802.11a/b/g/n standards Dual-band wireless connectivity for 2.4GHz or 5GHz Max. Wi-Fi speeds of 150Mbps (2.4GHz) or 433Mbps (5GHz) Features a hardware WPS (Wi-Fi Protected Setup) button for easy wireless connections Features easy setup wizard Supports Windows XP/Vista/7/8/8.1, Linux and Mac OS X drivers Directional high gain antenna, 5dBi (2.4GHz) and 7dBi(5GHz), provides high performance long distance wireless connections USB cradle for flexible placement and better wireless signal