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Cell Phone Expo! >>
tags:
Apple,iPhone,HP,NeoNode,Sanyo,
Audiovox,HTC,Nokia,Sharp,Blackberry,
i-Mate,Palm,Siemens,CECT,Kyocera,
Panasonic,Sierra,Dell,LG,Pantech,
Sony,Disney,MiTac,Philips,
Sony Ericsson,Firefly,Mitsubishi,
Qualcomm,T-Mobile,Fijitsu,
Motorola,Sagem,Toshiba,Handspring,
NEC,Samsung,UTStarcom,Hitachi,
AllTel,Disney,Sprint,Nextel,
Amp'd Mobile,Fido,SunCom,AT&T,
Helio,Telus,Bell Mobility,
Metro+PCS,T-Mobile,Boost Mobile,
Net10,Tracphone,Cellular One,
nTelos,U.S. Cellular,Cellular South,
Qwest,Verizon,Cingular
Rogers Wireless,Virgin Mobile,Cricket
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The cell phone industry is experiencing phenomenal growth because the technology is changing faster each month. Cell Phone Expo is a place to purchase every brand name and accessories made today at huge discount prices. You can purchase new and used cell phones at auction or join our member area for new deep discounted cell phones.
How Cell Phones Work
Millions of people in the United States and around the world use cellular phones. They are such great gadgets -- with a cell phone, you can talk to anyone on the planet from just about anywhere!
These days, cell phones provide an incredible array of functions, and new ones are being added at a breakneck pace. Depending on the cell-phone model, you can:
 Store contact information
 Make task or to-do lists
 Keep track of appointments and set reminders
 Use the built-in calculator for simple math
 Send or receive e-mail
 Get information (news, entertainment, stock quotes) from the Internet
 Play games
 Watch TV
 Send text messages
 Integrate other devices such as PDAs, MP3 players and GPS receivers
But have you ever wondered how a cell phone works? What makes it different from a regular phone? What do all those terms like PCS, GSM, CDMA and TDMA mean? In this article, we will discuss the technology behind cell phones so that you can see how amazing they really are. If you are thinking about buying a cell phone, be sure to check out How Buying a Cell Phone Works to learn what you should know before making a purchase.
To start with, one of the most interesting things about a cell phone is that it is actually a radio -- an extremely sophisticated radio, but a radio nonetheless. The telephone was invented by Alexander Graham Bell in 1876, and wireless communication can trace its roots to the invention of the radio by Nikolai Tesla in the 1880s (formally presented in 1894 by a young Italian named Guglielmo Marconi). It was only natural that these two great technologies would eventually be combined.
to be continued next issue...
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