Trendnet TEW-424UB is a wireless USB adapter that enables a computer to connect to a wireless network and access the internet. It supports both 2.4 GHz and 5 GHz frequency bands, providing faster speeds and a more stable connection. With its compact size and easy installation, it's ideal for connecting laptops, desktops, and other devices to a wireless network at home, office, or public hotspots. The TEW-424UB also features advanced security protocols to protect your data and privacy while browsing the internet.