HONGSEOK AC600 Dual Band USB Wifi Adapter / Wireless Dongle with 5dBi High Gain External Antenna Supports 802.11ac standard-The next generation of Wi-Fi,Backward compatible with 802.11 a/b/g/n products. Ultra-fast AC600 (433+150Mbps) wireless speed with 802.11ac,Maximum speed up to 5GHz 433Mbps or 2.4GHz 150Mbps.5dBi External Antennas providing even better wireless performance. Dual Band connections for lag-free HD video streaming and gaming. Support XP/Vista/7/8/8.1(32/64bits),MAC OS 10.6~10.10 and Linux(kernel 2.6.18~3.10). Package contents: 1 x AC600 USB WiFi adapter,1 x Drivers CD,1 x Quick installation Guide and and 12-month warranty.