Cellular phone is one of the telecommunications equipment that is widely used today. This phone does not use a cable that is easy to carry anywhere. Therefore, this phone also called mobile phones. How a cell phone is to capture the electromagnetic signals received from a transmitter. Cellular phone transmitters called BTS (Base Transceiver Station).
Cellular phones are a combination of radio technology with telephone technology. Development of wireless technology and cellular technology began in 1940 when mobile phone technology was introduced. This technology has barriers around about 60 years. This is due to the development of transistors or semiconductor technology has not been found. After the discovery of transistor technology development is increasing rapidly.
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