วันอาทิตย์ที่ 1 กันยายน พ.ศ. 2556

Mobile phone



An example of a mobile phone.
Mobile phones or cell phones. (And have the call. Radio phone) is an electronic device used for two-way communication through . Mobile phones use radio waves to communicate with the mobile phone network through base stations. By the network of the mobile service provider 's network to connect to landlines and mobile networks of other carriers . The handset is capable of increasing the portable computers are referred to as smart phones .
Mobile phones , in addition to the basic capabilities of the phone. The basic features of the phone increased as sending short message SM SM calendar, clock , alarm scheduler, games, the Internet , Bluetooth, infrared, camera, MMS DS radio music player. and GPS .
The first mobile phone was produced and released in the year 2516 by Martin Cooper (Martin Cooper) , inventor of the company Motorola . A large mobile phone weighs about 1.1 kg [ 1 ] The current number of mobile phone users worldwide. Increase from the year 2543 with a total of 12.4 million [ 2 ] to 4,600 million [ 3 ] .

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