Martin Cooper (Martin Cooper), inventor of the first mobile world.
Mobile phone (phone calls, radio) is an electronic device used for two-way communications through. Mobile phones use radio waves to communicate with mobile phone network base stations. Mobile phones have increased in a manner portable computer is mentioned in the name smart phone
.
In addition to current mobile phone from the phone's basic capabilities. There are also basic features of mobile phones increased, such as sending short messages, SMS, calendar, alarm clock. Game schedules Bluetooth, infrared camera, music player, radio, s m m and GPS
.
The first mobile phone was produced and shown in 2516 (1973) by Martin Cooper (Martin Cooper) inventors from Motorola is a large mobile phone that has a weight of approximately 1.1 kg [1] At present, the number of mobile phone users around the world. Increased from 12.4 million number 2543 (2000) [2] the evolution of 4600 million mobile phone
1G. The analog mobile phone system is started for the first time in 1980
.2G is a digital cellular phone systems, voice and data services at 9.6 14.4 kbps speed, 2.5 G-handset system
a digital system that is in this era, such as GPRS speed 20-40 kbps
2.75 G systems that belong to this era, the speed is less than 100 kbps
.A digital cellular phone system 3G speed over 144 kbps
4G a Real-Digital mobile phone systems can be connected to the 3 data and ground connection and connect to Wi-Max ewifi images and sounds are of the same data.
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