The ASUS USB (Universal Serial Bus)-AC56 is a dual-band 802.11ac Wi-Fi adapter with a USB (Universal Serial Bus) 3.0 connection that brings high-performance wireless networking support to desktop & notebook PCs. The USB (Universal Serial Bus)-AC56 features a USB (Universal Serial Bus) 3.0 connection with support for wireless data rates up to 300 Mbit/s at 2.4 GHz & 867 Mbit/s at 5 GHz with compatible routers. Suitable for use with both desktop & notebook PCs, the USB (Universal Serial Bus)-AC56 features a dual internal antenna design for great wireless network coverage with minimal desktop clutter & a removable high-gain external antenna that boosts reception still further in weak Wi-Fi signal areas.