-
A system for transmitting messages from a distance along a wire, especially one creating signals by making and breaking an electrical connection.
-
A system for transmitting voices over a distance using wire or radio, by converting acoustic vibrations to electrical signals.
-
It is an electronic device that allows the recovery of voice signals or of any other type, transmitted by a radio transmitter by means of electromagnetic waves.
-
System for the transmission of images and sounds at a distance by means of Hertzian waves.
-
Electronic machine capable of storing information and processing it automatically through mathematical and logical operations controlled by computer programs.
-
It is a portable telephone that can make or receive calls through a radio frequency carrier, while the user is moving within a telephone service area.
-
It is a flat slab of stone, clay, or wood, used especially for an inscription.
