| Millions of people around the world use | | | | of cell phones, radio was sole the mode |
| the cell phone for communication. Cell | | | | of communication. The people who really |
| phones are used extensively for1. | | | | needed mobile communication used to |
| Communication2. Speed Text messaging3. | | | | install a radio device in a car and a |
| Internet Access4. Integrate other | | | | powerful antenna above it. The Antenna |
| devices such as GSMs, PDAs5. CameraBut | | | | is the sole operator of radio. It snaps |
| anyone wondered how cell phones work? | | | | the analog signals which are necessary |
| How small equipment has the features | | | | for communication. The only disadvantage |
| like text messaging, internet access, to | | | | of an antenna was it has to be installed |
| name a few. Cell phone is nothing but a | | | | in an open space which requires some |
| radio-sophisticated radio.Before the age | | | | financial investment. |