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CELLULAR PHONES
Title: CELLULAR PHONES
Category: Science & Technology
Details: Words: 577 | Pages: 2.5 (approximately 235 words/page)
CELLULAR PHONES
CELLULAR PHONES
Each day something like 30,000 people in the United States sign up for and start using a cellular phone. With a cell phone you can talk to anyone on the planet from just about anywhere (80% of the U.S. has coverage). A cell phone is really an extremely sophisticated radio. A cell phone is a duplex device which uses one frequency for talking and a second, separate frequency, for listening. A cell phone can …showed first 75 words of 577 total…
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…showed last 75 words of 577 total…ESN pair is a unique tag for your phone, and it is how the phone company knows who to bill for the call. When your phone transmits its MIN/ESN pair, it is possible for someone to listen, with a scanner, and capture the pair. With the right equipment it is fairly easy to modify another phone so that it contains your MIN/ESN pair, and now someone else can make calls on your account.
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