1. This 1300Mbps dual-band wireless WiFi standard technology adapter, can simultaneously be worked in 2.4G and 5G band. 5GHz channel with low interference and excellent performance. 2. Softerware for adapter is easy to use and takes you around 15 minutes to install. 3. WIFI maximum transfer rate is 867Mbps (5G) and 400Mbps ( 2.4G). 2.4G is suggested when receiving signal through the wall, 5G is suggested when watching HD Movie or TV online. 4. Realtech RTL8812BU chipset and Dual 5dBi high gain copperantenna provide you a long range and stable connection when receiving signals cross the walls. 5. Adapter shall be plugged into the rear usb port when it's connected to a desktop, rear usb port has stable power supply which can help adapter offering better performance. Packing list 1. USB WiFi adapter x1 2. CD x1 3. Manual x1