Cell Phones Essay

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Cell Phones Cell Phones have changed the way the world operates and people are constantly improving on this revolutionary tool due to it’s large demand and ease of use; While at the same time doing so can cause new hazards for individuals. The walkie-talkie, developed in the late 1930s, was one of the first practical applications of mobile communications. Along with the first mobile telephone, invented in 1941, the walkie-talkie used radio waves to communicate. This was the first wireless communication device, but it was limited to the ability to only able to communicate with other walkie-talkies in the city only by radio waves. But soon people will have created signals for a new era of phones. Cellular telephone technology is also…show more content…
This made the sound cleaner than analog, which tended to pick up interference such as radio frequency noise. As technology evolves, scientists and entrepreneur create designs to distinguish the old from the new. In the world of mobile phones, the earliest cellular systems and phones were called 1G, meaning “first generation.” The next generation wasn’t too much of an improvement in the long run, but it was a new tool back when 1G was the new thing, now a new thing now today it’s called second generation, or 2G, to distinguish them from the earlier analog (1G) phones. While 2G phones were able to receive both digital and analog signals, earlier 1G phones were restricted to the analog networks. The increasing demands placed on mobile telephones to handle even more data than 3G could lead to the development of 4G technology. In 2008 the ITU set forward a list of requirements for what it called IMT-Advanced, or 4G. These requirements included data rates of 1 gigabit per second for a stationary user and 100 megabits per second for a moving user. This is where our generation are today while major corporation are working on the new generation, fifth generation, at least that is what the public assumes what it will be called. Its rumored to be able to include data rates of 1 gigabit per second while moving and 10 Gigabits when stationary. By the beginning of the twenty-first century, the cellular phone had become more
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