How do cell phones work? A cell phone does not use wires to transfer your voice. When you speak into a cell phone a microphone turns your voice into electrical signals. A microchip in the phone modulates (or varies) a radio wave using the electrical signal.

What is cell phone and how does it work?

In the most basic form, a cell phone is essentially a two-way radio, consisting of a radio transmitter and a radio receiver. When you chat with your friend on your cell phone, your phone converts your voice into an electrical signal, which is then transmitted via radio waves to the nearest cell tower.

How does a telephone work simple explanation?

The base connects the telephone to an electric current through a wire. When the caller speaks into a telephone, the microphone changes the sound of the person's voice into an electric signal. ... When the signal reaches the telephone at the other end, its loudspeaker changes it back into the sound of the caller's voice.