The ASUS USB-AC56 is a dual-band 802.11ac Wi-Fi adapter with a USB 3.0 connection that brings high-performance wireless networking support to desktop and notebook PCs. The USB-AC56 features a USB 3.0 connection with support for wireless data rates up to 300 Mbit/s at 2.4 GHz and 867 Mbit/s at 5 GHz with compatible routers. Suitable for use with both desktop and notebook PCs, the USB-AC56 features a dual internal antenna design for great wireless network coverage with minimal desktop clutter and a removable high-gain external antenna that boosts reception still further in weak Wi-Fi signal areas. The fastest Wi-Fi ever becomes more accessible via USB, going up to 867 Mbps on the clear 5 GHz band. Using 802.11ac wireless, faster connectivity and enjoyment come to all your devices. Compared with current 802.11n, the USB-AC56 delivers up to 867 Mbps at 5 GHz, which is 3X faster than 802.11n! The USB-AC56 wireless-AC1200 USB adapter can cover larger homes and offices, including multi-floor locations. Its detachable high-gain external antenna and strong dual internal antennas provide ample transmission power for bigger areas. The detachable antenna can be removed to reduce power draw and emissions should medium-range coverage be sufficient. It can also be upgraded with a more powerful antenna if needed.