1st generation (1G) is an Analog communication technology will use radio signals to transmit sound waves (Voice), which has a base station that is used to get the signal to the mobile phone. One of frequency equal to one channel. The quality of the sound is still not sharp. With noise easily. For a mobile machine at age 1, there is a large and very heavy. There is no support for the use of the Data, and even SMS text messaging is focused on finding a single phone. In this era of 2G have changed the format from radio waves through the Analog transmission from the 1G era as Digital encryption and transmission via microwave wave sound quality. This era was an active Sim-Card phone size smaller and lighter, and added the ability to send Short Message Service (SMS) Message, and the time that you can get started with data in addition to route the connection to the base station (Cell Site) GSM Global System for Mobilization system, or we can hold a single phone to run almost all over the world. Supports maximum speed 115 Kbps and EDGE at top speed is 384 Kbps. On the 900 MHz frequency and 1800 MHz3G, or Third Generation, which is the communication technology in the era of the dominance of the 3G 3. .. is about connection speed and transfer data. With an emphasis on wireless connectivity with high speed. Performance data more quickly, with all the different can use Multimedia services, and effective. On the wave frequency from 850 900 1800 1900, 2100, and,
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