-
-
Is a device or device that uses electrical signals to transmit encrypted text messages.
-
Communication system that transmits voice and sound over long distances by electrical or electromagnetic means
-
It is a means of communication that is based on the sending of audio signals through radio waves
-
System of 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.
-
Portable electronic device larger than a smartphone, with a touch screen
that emits light -
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
