Coaxial switches are specialized devices used to switch a signal between two differerent destinations. Their purpose is to substantially reduce interference between the two destinations. Generally speaking, they work by using an electromechanical arm or similar device that aligns itself to make the connection between one source and the other. This arm is driven by a voltage, which determines the active connection once the switch connection is made. As such, a variety of different voltages can be used to control which connection is active. Coaxial switches use a specific type of communication interface called a Coaxial Interface, which uses a central conductor surrounded by a dielectric. This allows targeted communication between two or more points with minimal interference.