THIS MECHANISM WAS INTRODUCED TO CONVERT SOUNDS INTO ELECTROMAGNETIC SIGNALS: A SOUND ARRIVES AT A MICROPHONE, IN WHICH THERE IS A DIAPHRAGM OR MEMBRANE. WHICH WHEN BEING STRUCK BY SOUND (AS IN THE HUMAN EARDRUM), MOVES A VERY THIN CABLE (COIL), TO WHICH THE MEMBRANE IS CONNECTED, WOUNDED AROUND A MAGNET; THE DISPLACEMENTS THAT OCCUR IN THE ORIGINAL CABLE GENERATE AN ELECTRIC CURRENT, WHICH IS THE ONE THAT IS TRANSMITTED “WIRELESS”. AND SOMETHING SIMILAR IS DONE AT THE RECEIVING END TO TRANSFORM THE ELECTROMAGNETIC SIGNALS INTO SOUND.