After the discovery of the telephone, researchers and scientists began to think about the wireless telecommunication system. We will start from the Second World War, not to such a great history. Military use of radio telephones, during the second world war, in 1940. The inventor of this radio telephone system was Reginald Fasden . Then, in 1946, the first call was made from a car. On 17th June 1946, Missouri's house was first called on the volume of Bell Telephone Service. Then on October 2, 1946, following the road from the city of Chicago, Elon Bell telephoned the phone again via the telephone company. This telephone was made of vacuum tubes. Its weight was about 36 kg, which was 80 pounds.
At first only one channel was allocated for all users of Metro Polytron area. Later, 32 bands were communicated through 32 channels. The contact was in progress until 1980. In 1973, John Mitchell, the head of the world-famous Motorola company, focused on portable communication - through which mobile phone technology plays an important role in innovation. Mitchell extends to wireless communication, which is able to communicate from anywhere. Mitchell was the master of this work, Motorela's researcher and executive, Martin Cooper. This is the first mobile phone to be discovered by Martin Cooper's first cellular network, and he has written his own name in the history of science. The first phone was weighing 25 pounds.Its length was 9 inches, the stone is 1,75 inches and the height is 5 inches. It had talk time of 30 minutes and charge 10 hours. The first commercial mobile phone was Motorola