Trendnet TEW-809UB is a wireless USB adapter that allows you to connect your computer to a wireless network. It supports 802.11n speeds of up to 300Mbps, making it ideal for streaming HD video, gaming, and other bandwidth-intensive activities. The adapter also features advanced security features such as WPA/WPA2 encryption to protect your data from unauthorized access. With its compact size and easy setup, the Trendnet TEW-809UB is a great choice for anyone looking to add wireless connectivity to their computer. The TEW-809UB has a maximum wireless signal rate of 11N (300Mbps) and uses 2.