what is wireless system

Wireless is a term used to describe telecommunications in which electromagnetic waves (rather than some form of wire) carrythe signal over part or all of the communication path. Some monitoring devices, such as intrusionalarms, employ acoustic waves at frequencies above the range of human hearing; these are also sometimes classified as wireless.

Wireless is nothing but refers to communication between systems, hardware or electronic items without physically connecting them through wires. In computer, wireless communication is communication between a computer and another computer or device without wires. The form of wireless communication provided as part of the Some of
uses infrared light to transmit files. Radio frequencies, as used by cellular and cordless telephones, are another form of wireless communication.

A term describing a computer network where there is no physical connection (either copper cable or fibre optics) between sender and receiver, but instead they are connected by radio.