Trendnet TEW-808UBM is a wireless USB adapter that allows you to connect your computer to a wireless network. It supports both 2.4GHz and 5GHz frequencies, and it has a maximum speed of 300Mbps. The adapter is easy to install, and it comes with a CD-ROM that contains the necessary drivers. Once the adapter is installed, you can connect to a wireless network by selecting it from the list of available networks and entering the network password. The adapter also supports WPS, which allows you to connect to a wireless network without entering a password.