Book 1

Mobile Application

Foreign Literature

According to www.symatech.net, the history of cell phone truly began with the creation of radio technology. Two-way radios were, after all, the ancestors of the cell phone. It wasn’t until the 1950s that what people would recognize as a cell phone was created. These were the cell phones that allowed direct dialing. These phones, called the MTA for Mobile Telephone System A, were created by Erickson and were released in 1956 in Sweden. They were very heavy and bulky, and the phones were usually stalled in cars. Only about 150 people used the MTA system. In 1957, Leonid Kupriyanovich created the radiophone, or a wearable mobile phone, in the USSR. These phones required a base station to operate, but each base station could be used by several customers. His phone weighed only 0.5 kg, making it much more portable than the MTA.

 The First Generation, or 1G, or the first truly portable cellular phone began in 1983. It was called the Motorola DynaTAC 8000X. The FCC approved it for use in the United States. Motorola developed the technology for cellular phones for decades and this particular phone took 15 years to come to market at an expense of over 100 million dollars in research costs.

The mobile phone, also known as cellular phone, has become one of the most successful inventions in the 20th century. In the late 90s, mobile phones became one of the major communication devices. The first commercial mobile phone system started in 1979 in Japan. According to Cellular Online, the global mobile phone subscribers in 2003 are around 1.52billion, which is about 20 percent of the current world population. This figure showed the success of the mobile phone industries. In about 20 years' time, this technology conquered the global and became a demand for the majority of people in the world. It provided communication for people no matter anywhere and anytime. Mobile phones were meant to be a device which enables users to have the ease...