Tenda U12 Wireless AC1300 USB Adapter U12 is a dual-band 11ac Wireless USB Adapter.5GHz band wireless transmission rates is up to 867Mbps and the 2.4GHz is 400Mbps. It makes bandwith-intensive ativities runs smoothly, such as streaming high-definition video,online gaming and other network experiences.It uses USB3.0 interface,which is 10 times transfer rate than USB2.0.Equipped with a USB extension cable.What is more,U12 is compatible with Windows xp/Vista/7/8/8.1/10, MAC OS10.7~10.11,Linux.