"Cellular Network" Essays and Research Papers

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History of Mobile Phone

commercially automated cellular network (the 1G) was launched in Japan by NTT in 1979, initially in the metropolitan area of Tokyo. Within five years, the NTT network had been expanded to cover the whole population of Japan and became the first nationwide 1G network. In 1981, this was followed by the simultaneous launch of the Nordic Mobile Telephone (NMT) system in Denmark, Finland, Norway and Sweden.[9] NMT was the first mobile phone network featuring international roaming. The first 1G network launched in...

Free Telephone, Mobile phone, Bell System 548  Words | 3  Pages

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Advantages and Disadvantages of Cellular Phones

AdvantagesIt keeps you in constant contact with people you consider important It can help you seek help immediately during emergency cases Its a sense of being financially uplifted. Through mobile phones you can lessen your boredom,example listen to your favorite music and as well as watching movies through downloading. It can take photosMobile phones also gives us easier access on the internet You can carry it anywhere It has a lot of useful function like calendar, making notes, alarm clock...

Free Cellular network, Internet, Rotary dial 924  Words | 4  Pages

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The Rise and Fall of Iridium

the result of the project. The fact that he was a very overambitious character and personally connected to the project in public, he stuck to the untenable business plan. Parallel to this he made the mistake to underestimate the development of the cellular telephone market and overestimated the market for sattelite phones(He predicted 500.000 subscriber at the end of 1999).In spite of supply problems and a lack of testing he launched the project, so even if some of the few customers were willing to...

Premium Motorola, Satellite phone, GSM 1147  Words | 5  Pages

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most of all cellular phones that can bring good or bad influence. Mostly in students, over the past decades the world has seen rapid growth in cell phone users. Everyone from adults to teenagers in high school seem to carry one glued to their ears, without understanding the possible health risks associated with the use of cellular phones. The interactive electronics, communication and particularly wireless communication from person to person and group to group, the communication networks that mobile...

Premium Cellular network, Bluetooth, GSM services 727  Words | 3  Pages

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Mobile Phone Cloning

mobile phone and illegally programming the identical information into another mobile phone. The result is that the "cloned" phone can make and receive calls and the charges for those calls are billed to the legitimate subscriber. The service provider network does not have a way to differentiate between the legitimate phone and the "cloned" phone. WHEN DID CELL CLONING START? The early 1990s were boom times for eavesdroppers. Any curious teenager with a £100 Tandy Scanner could listen in to nearly...

Premium GSM, Motorola, Rotary dial 1062  Words | 5  Pages

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Assuming Responsibility for Environmental Mutagens

  Society has put forth an effort to ensure this happens with the creation of certification boards for doctors, malpractice law, etc.  Oncologists have a responsibility to inform patients that chemotherapy is a form of radiation, the effects on a cellular level, and any repercussions to their bodies that could result from treatments.  Cosmetic surgeons have a responsibility to educate clients on the existence of bacteria that can cause botulism in Botox and any possible effects.  The patient/client...

Premium Chemotherapy, Ultraviolet, DNA 656  Words | 3  Pages

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Cellphone History

the Motorola DynaTac to the iPhone 5S there is an interesting history in the cell phone. Early forms of cellular communication were the radios in ships and trains. The drive for the invention of truly portable devices came after World War II. Motorola demonstrated the first genuinely mobile phone in 1973 and a Japanese company named NTT launched the first automated commercial cellular network. However, it would not be until later that cell phones would be commercially launched to the public and decades...

Premium GSM, Motorola, Smartphone 1323  Words | 6  Pages

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Effects of Cell Phone

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 while 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 within the short range of a single, private base station.—Wikipedia A portable telephone that uses wireless cellular technology to send and...

Premium Text messaging, Mobile phone, Bluetooth 1619  Words | 7  Pages

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Cellphone Changed My Life

instant messaging have improved the lives of all cell phone users due to the communicative privileges they allow for planning the future, whether it be a party, a night out, or just the rest of your day. The cellular phone has in no way made my life worse, as in my opinion I have not became cellular dependent, the entire culture and society we live in has. In the following quote stated by Victor Furkiss, I believe that technology is already controlled in terms of the cell phone seeing as society has...

Free Mobile phone, Communication, Internet 609  Words | 3  Pages

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Monitoring System

information technology specialist may have in the professional world. First Installing and uninstalling software, troubleshooting, diagnosing, and repairing computers, designing and building and upgrading computers, Establishing and managing computer networks developing and maintaining databases and last that we know is helping people to use computers and other technology effectively. This list of duties simply shows a broad range of technology in this world. It plays a very wide role in this...

Free Telephone, Technology, GSM services 769  Words | 4  Pages

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