If you thinking of undertaking a wireless network set up, one of the necessary tools for its full valued usage will be the USB wireless network adapters. It is very simple to work with them, because you only have to plug them into the USB port of your computer. The size of the Usb wireless network adapters is nearly the same as the size of the PC Card adapters. You can keep an eye open for the network link status and the power of the adapter. This is indicated by the two LED lights. These adapters don’t require an additional power cord, because they take the power from the PC through the USB cable.