Wireless
transfer of information or power that does not require the use of physical wires / From Wikipedia, the free encyclopedia
The word wireless is used to refer to any type of electrical or electronic operation which is done without a "hard wired" connection. Wireless communication is the transfer of information over a distance without the use of wires. The distances involved may be short (when using a television remote control) or very long (thousands or even millions of kilometers for radio communications).