Читать реферат по английскому: "Cellular Phone Buying Guide Essay Research Paper" Страница 3
great help in an emergency-the most common reason for the purchase of a prepaid phone. These packages and additional calling cards can be purchased at a wide variety of places, but are most commonly found in gas stations and supermarkets.
Throughout the 1990’s, Nokia and Motorola controlled the mobile phone market, but with companies new to wireless communications such as Samsung and Sanyo, the leaders have had to release better phones at lower prices. Within the last few years’ features that were once only available to land lines, became available to mobile phones, and with time these features became free of charge for most plans. Caller ID and call waiting are two of these features. While the major phone companies still charge for these features along with many others, cellular users have been enjoying them free of charge for some time.
Choosing a phone can be quite difficult, and with the pros and cons I have listed, the reception is not taken into consideration as it varies dramatically based on location, battery power and numerous other elements. Merely being near a computer or behind a brick wall can cause even a tri-mode phone to struggle to find a signal. Many who purchase a cellular phone believe that it will work everywhere, without a glitch. They quickly realize that this is untrue, and oftentimes try to return the phone as defective. However wireless communication is not perfect, nor can it perform as reliably as a landline. There are certain areas, such as basements and electronics stores, where cellular phones just cannot operate. What you are paying for is wireless communication, not another phone line. However by knowing your phone limits and the limits of your carrier, you can maximize your reliability while using your phone almost as if it is connected to a landline.
Many times a mobile phone bill is comparable to that of a home bill, while offering more features and giving you the major advantage of being entirely wireless. I encourage everyone who uses a telephone to compare his or her home bill to that of a cellular customer, and consider joining the millions who already have gone wireless. The best way to go about choosing a cellular provider is to stop into their local stores and analyze each one’s service through their provided literature and by talking to a representative. I recommend staying away from the service providers in the mall, as oftentimes they have less knowledgeable staff and are less likely to bargain with you on certain aspects of their plans. By gathering all the latest information on all three providers, looking at your current phone bill, and talking to current cellular users, one can quickly gain all the insight they need to make an intelligent purchase.
*The reason the Samsung SCH 3500 was rated top mobile phone by Consumer Reports is because their analysis was based solely upon features available on the phones themselves. The major downfall of this phone is that it is only available through Sprint, and thusly available only to those within Sprint’s limited PCS n
Bibliography
Bates, Regis J. Broadband Telecommunications Handbook. p. 334-349, 366-375, McGraw-Hill Companies, Inc. 2000.
Cingular Wireless (Formally Cellular One). http://cingular.com/ 3/20/01.
Cooper, Martin. “History of Cellular Phones” 1999
http://www.inventors.about.com/education/inventors/library/weekly/aa070899.htm.
Ericsson. http://www.ericsson.com. 3/11/01.
LetsTalk.com. http://www.letstalk.com/ 3/21/01.
Mobile IT Site
http://www.e.kth.se/~e97_fsj/Mobile/Worldwide%20developments/worldindex.htm
3/21/01.
Motorola Phones. http://commerce.motorola.com/consumer/QWhtml/phone_cat.html. 3/19/01.
Nokia on the Web. http://www.nokia.com/main.html. 3/22/01.
Sprint PCS. http://www.sprintpcs.com/index.html?refurl=universalhomepage/sprint/personal 3/20/01.
Verizon Wireless. http://www.verizonwireless.com/ 3/20/01.
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