Management Essay

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Mobile phone
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"Cell Phone" redirects here. For the film, see Cell Phone (film). For the Handphone film, see Handphone (film).

The Qualcomm QCP-2700, a mid-1990s candybar style phone, and an iPhone 4S, a current production smartphone.
A mobile phone (also known as a cellular phone, cell phone and a hand phone) is a device that can make and receive telephone calls over a radio link whilst moving around a wide geographic area. It does so by connecting to a cellular network provided by a mobile phone operator, allowing access to the public telephone network. By contrast, a cordless telephone is used only
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Louis, Missouri, USA , using the Bell System's Mobile Telephone Service.[7] This was followed in 1956 by the world’s first partly automatic car phone system, Mobile System A (MTA) in Sweden. The MTA phones were composed of vacuum tubes and relays, and had a weight of 88.2 pounds (40 kg).[8][9]
Martin Cooper, a Motorola researcher and executive, led the team that developed the first hand-held mobile telephone for use on a cellular network. [10] Using a somewhat heavy portable handset, Cooper made the first call on a handheld mobile phone on April 3, 1973 to his rival, Dr. Joel S. Engel of Bell Labs.[11][12]
As I walked down the street while talking on the phone, sophisticated New Yorkers gaped at the sight of someone actually moving around while making a phone call. Remember that in 1973, there weren't cordless telephones or cellular phones. I made numerous calls, including one where I crossed the street while talking to a New York radio reporter - probably one of the more dangerous things I have ever done in my life.
—Martin Cooper, [13]
The new invention sold for $3,995 and weighed two pounds, leading to a nickname "the brick".
The world's first commercial automated cellular network

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