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The first mobile phone was introduced by Dr. Martin Cooper. He made the first call on April 3rd, 1973. He was a Motorola researcher and executive.
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The first company that was able to produce a handheld mobile phone was Motorola. Martin Cooper, a researcher and executive of the Motorola made the first call from the hand held device to his competitive friend.
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The Inmarsat satellite telephone system, originally developed in 1979 for safety of life at sea, is now also useful for areas out of reach of landline, conventional cellular, or marine VHF radio stations.
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The first commercially automated cellular network (the 1G generation) was launched in Japan in 1979. Canada launched their 1G networks in the 1980's. The technological development that distinguished the First Generation of mobile phones from the previous generation was the use of multiple cell sites, and the ability to transfer calls from one site to the next as the user travelled between cells during a conversation.
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the very first flip phone first known as "clamshell" was made by Motorola. Its name was "StarTac". It was revolutionary because it was the first small hand held electronic phone that would fit into your pocket.
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In the 1990's the 2nd generation mobile phones emerged. The second generation introduced text messaging. 2G also introduced the ability to access media on mobile phones.
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Bag Phones were manufactured from 1992-2000. The company that manufactured the bag phone was Motorola. When cell phones were invented they became out of style.
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A test engineer for the Sema group, Neil Papworth, sent the first ever test message from his personal computer to the phone Richard Jarvis and via the Vodafone Network. Omnipoint Communications was the first test-messaging service established in the U.S.
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The first Smartphone was created by IBM, called Simon Personal Communicator. It featured a LCD touchscreen, and a stylus. You could call, receive and send emails, fax, page, write in calendars, address-books, and it featured a world clock.
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The first official cell phone was built by Samsung. It was called the J-SH04 and could take photos as well as send them. The phone cost around $500.
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The main difference between 3G technology from 2G technology is the use of packet switching rather than circuit switching for data transmission. The first 3G network was launched in Japan. By the end of 2007 there was 295 million subscribers on the 3G network.
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BlackBerry released the first smart phone with colored screen.
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It included a Multi-Touch gestures, HTML email, Safari web browser, Threaded text messaging, and YouTube. It offered more than any other phone on the market, at was considered to be a luxury phone. That was a start to the new "era". It was the beginning of new ideas and concepts such as social media and free for all software and application, and fast communication.
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The main ways in which 4G differed technologically from 3G was in its elimination of circuit switching, instead employing an all-IP network. 4G is faster then the previous networks.
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