The ASUS USB-AC56 is a dual-band USB 3.0 802.11ac adapter that adds wireless connectivity to notebooks and desktop PCs. The USB 3.0 connection allows data to be transmitted to the computer with a speed of 300 Mbit / s in the 2.4 GHz band and 867 Mbit / s in the 5 GHz band from compatible routers. Compatible with laptops and desktops. The USB-AC56 features a design with two internal antennas and a detachable external high-gain antenna that improves reception in areas with poor signal. The AC1200 Dual-Band Wireless USB 3.0 Adapter is ideal for covering large rooms. offices or multi-story homes. Since the external antenna and the two internal antennas offer high transmitting power for larger areas. The external antenna can be detached to reduce power consumption when mid-range coverage is sufficient. Or change to a more powerful antenna when necessary. USB 3.0 connectivity allows this wireless adapter to connect to laptops and desktops with a bandwidth ten times higher than the USB 2.0 standard. In this way. users will enjoy full 802.11ac performance.