About this item ultra-fast 1200 (867+300)mbps wireless speed with 802.11ac dual-band connections for lag-free hd video streaming and gaming high gain 2 external antenna for faster speed & superspeed usb 3.0 port: up to 10x faster than usb 2.0 lighting fast performance – long range adapter connects to computer to boost wireless connectivity & enhance 802.11ac transfer speeds up to 1200 mbps universal compatibility – beamforming enabled & backwards compatible with legacy 802.11a/n/g/b networks, windows 7, 8/8.1 & 10, : macos 10.12 supported, linux kernel 3.0 supported