With this AC1200 USB 3.0 adapter, your older laptops and desktops running Windows can now achieve connection speeds of 802.11ac, the fastest Wi-Fi technology in the world. The high-gain antennas extend the range, and with USB 3.0, you get even faster connections than with USB 2.0. Simply plug this adapter into a USB 3.0 port and enjoy faster browsing, streaming, and gaming. It is compatible with the latest 11ac Wi-Fi devices and backward compatible with 802.11a/b/g/n devices.