Trendnet TEW-424UB is a wireless USB adapter that allows you to connect your computer to a wireless network and access the internet, share files, and other resources. It supports 802.11g and 802.11b networks, has a compact design, and includes a USB extension cable for convenient placement. With speeds of up to 54Mbps, the TEW-424UB is ideal for everyday use, such as web browsing, email, and online gaming.