2Wire's PC Port is a high-speed USB to HomePNA adapter that lets you share an Internet connection with multiple PCs using existing telephone lines. There's no need to install Ethernet cabling throughout the house, and you don't have to open your computers to get a high-speed network up and running.??Plug PC Port directly into the USB port of your computer, connect it to a standard telephone jack and install 2Wire's simple setup software for a high-speed network over your telephone lines. If you have broadband access, you can surf the Web and talk on the phone at the same time while you share files and peripherals between computers.