The TP-Link AC600 Archer T2U Plus is a high gain wireless dual-band USB adapter that allows users to easily connect their devices to a wireless network. With a maximum downstream data rate of 600 Mbps and maximum wireless data rate of 433 Mbps, this adapter provides fast and reliable internet connectivity. It features dual-band technology, USB 2.0 port, and is compatible with various Wi-Fi standards including 802.11a, 802.11b, 802.11n, 802.11ac, and 802.11g. The unit comes with a CD for easy installation and is ideal for improving home networking and connectivity.