Explanation Text

Dina Suci Marliana
2201408041

How does Cell Phone Works?

A cell phone is a great gadget in this modern world. A cell phone is actually a radio in certain way. Like a radio, by a cell phone we can communicate to other people in real time. Million people use cell phone for their communication. However, do you know how actually a cell phone work?

A cell phone or in a long term " cellular telephone " works by transmitting signals of radio to towers of cellular. The towers are networked to a central switching station. The connection usually uses wire, fiber optic - cables, or microwave.

Then, the central switching station which handles call in certain given area is directly connected to the wire based telephone system. Cellular are picked up by the towers and relayed to another cellular telephone user or the user of wire based telephone network.

The towers vary in the capacity and capability to receive signals. Some can receive the signal from short distance and the others can receive more distance. However, there are usually more than one tower in certain given area so that the system can handle the increasing telephone traffic. That is how a cell phone works.