Respuesta:
The telephone is a telecommunication device designed to transmit acoustic signals over a distance by means of electrical signals.
A radio transmitter is an electronic device that belongs to the electric radio and, by means of an antenna, radiates electromagnetic waves that contain (or may contain) information, as in the case of radio signals, television, mobile telephony or any other type of radio communication.
A removable videotape containing a magnetic tape for recording audio and video from a television or other video recorder signal.
Polaroid is a camera that uses a type of film that allows you to create a direct positive, developing it "on the spot", after taking the photo.
Walkman is a portable cassette player with headphones.
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