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