The asus usb ac68 is a dual band usb wi fi adapter that instantly upgrades your desktop or laptop to the novelist 80211ac technology with wi fi speeds up to 1300 mbps 5 ghz and 600 mbps 24 ghz its 3x4 mimo antenna design with asus airadar beamforming optimize the wi fi reception and the 3 position antennas and the cradle make it convenient to adjust for the best performance according to your usage on desktop on laptop or on the go the usb 30 interface eliminates the potential bottlenec