| Mobile Phone | | | | was working as Motorola's General Manager at its |
| A great discovery that leads to the changes in the | | | | Communication Division. |
| entire world status of communication is the innovation | | | | The total number of mobile phone subscribers in the |
| of the mobile phone. By the entrance of mobile phone, | | | | world is estimated at 2.14 billion in 2005. Also, that |
| there has occurred a vast and considerable change in | | | | around 80% of the world population will have mobile |
| the insight of life! Mobile phone is defined as a | | | | phones by the year 2006 and the figure will rise to |
| long-range portable electronic device, which can be | | | | 90% by the year 2010. It has also found out that Africa |
| used, for personal telecommunications over long | | | | has the leading and the largest growth rate of cellular |
| distances. | | | | subscribers in the world. |
| Long time back, in late 1980 is the size of the mobile | | | | GSM is a new technology adopted by almost all |
| phone were considerably very large when compared | | | | European nations and most Asian and African nations. |
| to the ones, which are available today. Due to their | | | | Whereas in US, Australia, Japan and South Korea the |
| size, they were used to be permanently installed in | | | | legislation does not require any particular standard and |
| vehicles as car phones! Apart from the main function | | | | in these places GSM coexists with other standards like |
| of voice exchange, the mobile phone has many | | | | CDMA and iDEN. |
| additional features like those that SMS-Short Message | | | | Nowadays mobile phones have become a part and |
| Service used for text messaging, email, accessing | | | | parcel of every individual's life. Without them now the |
| internet through packet switching and MMS-Multimedia | | | | day does not start. These phones helps a lot in |
| messaging service, which are preferred for sending | | | | different ways as a person can be talked to at any |
| and receiving videos and photos, infrared device that | | | | place and at any time. There has been competition in |
| enable sending dates from mobile to mobile. The latest | | | | the field of cellular service providers also thus getting a |
| technology is the Bluetooth, which is a technology to | | | | better coverage in almost all parts, even in hill topes |
| receive and send any messages, photos and videos | | | | and down the sea! It helps a person when he is in |
| from mobile to mobile. Even radio can be listened | | | | need and it plays a main role in contacting a person! |
| through mobile phones. | | | | Apart from these uses, there are also many |
| Mobiles phones are manufactured by many | | | | disadvantages for the mobile phones, as it is the main |
| companies world wide, in fact, the competition in this | | | | cause of road accidents, which is caused by talking |
| field is increasing day by day. The leading mobile | | | | while driving. By doing so, one looses his consciousness |
| manufacturers include Nokia, Panasonic, Samsung, | | | | and become careless in driving. It is also said that use |
| Sony Ericsson, LG, Sharp, Alcatel, BenQ, Siemens, | | | | of mobile phones would cause cancer and many other |
| Audiovox, High Tech Computer Corporation, Kyocera, | | | | health risks. It is also found to cause potential and life |
| Motorola, Sanyo, Toshiba, i-mate, Sagem, Philips, | | | | threatening damage during thunderstorms! |
| T-mobile and Pantech Culritel. | | | | The use of mobile phones in the useful and meaningful |
| The inventor of the mobile phone is Martin Cooper | | | | way and in a careful manner might prove to be the |
| who made the first call on a cell phone in 1973. He | | | | best thing to be used! |