Put a phone jack into any room of your house instantly, using the existing wiring of your home. You can use it for a regular telephone line or with a computer to connect to the internet at 33.6K. Simply plug this unit into the 110 AC outlet of your house and you can have a phone in any room, it's that easy. There are two units, one plugs into an existing phone line anywhere in your home and the 2nd unit is the remote outlet. Excellent for bedroom phones where you don't have a phone jack and don't want to run the wiring. The price of this unit is much less expensive than having an electrician come to your home and install the wires and a jack. This one is the best we've found and even works well in an environment heavy with radio noise, like next to a computer.