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21/7/2008 - Cell phones: A wireless Way to Speak!!!!
A mobile phone or cell phone is an electronic telecommunications piece of equipment. The majority of current cell phones connect to the network using a wireless radio wave transmission technology, although satellite phones are exceptions. These cell phones communicate by means of a cellular network of base stations, which are known as cell sites, which is in turn linked to the conventional telephone network and were first introduced in the early to mid 1980s, the so called 1G generation.
Earlier cell phones operating without a cellular network, the so-called 0G generation, such as Mobile Telephone Service, date back to 1946. In anticipation of the mid to late 1980s, most cell phones were sufficiently big that they were time and again permanently installed in vehicles as car phones. In the midst of the advance of miniaturization, at this time the vast majority of cell phones are handheld.
Features of a cell phone
In addition to the usual voice function of a telephone, a cell phone can hold up many additional services such as SMS for text messaging, packet switching for access to the Internet, and MMS for transferring and receiving photos and video. A number of the world's largest cell phone manufacturers consist of
• Alcatel
• Audiovox
• Fujitsu
• Kyocera
• LG
• Motorola
• NEC
• Nokia,
• Panasonic (Matsushita Electric)
and a lot more…..
There are in addition specialist communications systems related to, but separate from cell phones, such as Professional Mobile Radio. Mobile phones are also distinct from cordless telephones, which in general operate only within a limited range of a specific base station. Technically, the term cell phone includes such devices as satellite phones and pre-cellular mobile phones such as those operating via MTS that do not have a cellular network, while the related term cell(ular) phone does not. In actual fact, the two terms are used almost interchangeably, with the favored term varying by location.
Technology on which cell phone works
Cell phones and the network they function under vary a lot from provider to provider, and even from nation to nation. On the other hand, all of them communicate through electromagnetic radio waves with a cell site or base station, the antennas of which are by and large mounted on a tower, pole, or building. The cell phones have a low power transceiver so as to transmit voice and data to the nearby cell sites, usually 5 to 8 miles away.
When the cellular phone or data device is turned on, it registers with the mobile telephone exchange, or switch, with its only one of its kind identifiers, and will then be alerted by the mobile switch as soon as there is an incoming telephone call. The handset continuously listens for the strongest signal being received from the neighboring base stations. As the user moves in the region of the network, the mobile device will hand off to new cell sites.
Cell sites have comparatively low power (habitually only one or two Watts) radio transmitters, which broadcast their being there and relay communications involving the mobile handsets and the switch. The switch in turn connects the call to a different subscriber of the same wireless service provider or to the public telephone network, which includes the networks of other wireless carriers. The conversation between the handset and the cell site is a stream of digital data that includes digitized audio (except for the first generation analog networks).
The technology or the know-how that achieves this depends on the system that the cell phone operator has adopted. A number of technologies include AMPS for analog, and TDMA, CDMA, GSM, GPRS, EV-DO, and UMTS for digital communications.
About The Author : Barbara Rittner
Barbara Rittner is a wireless communications technology expert. She frequently regsiters her views on http://phones.blogtastic.com
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Related Links :
http://en.wikipedia.org/wiki/Wireless
http://cellphones.about.com/od/plans_carriers/a/ca_zon_wireless.htm
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Cell Phones Are Important?
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21/7/2008 - Catch a Cheating Spouse with Their Cell Phone
By : Kwame ofori
Sometimes the modern technologies we take for granted can become a handy tool in uncovering a cheating spouse. A cell phone may seem like an ordinary object to most people, but to someone who suspects their spouse is cheating, a cell phone can become a major tool in uncovering the deception. In fact, a cell phone may be able to provide you with all the proof you need to uncover a cheating spouse.
Why a Cell Phone Works
For most people their cell phone is their lifeline. People use them to keep track of important phone numbers and sometimes important dates and events. You can get a lot of information from the actual cell phone of your spouse or from the bill.
Cell phones reveal who has called your spouse and who your spouse has called. It will also allow you to see when calls are being made or answered. These things can be great tools in discovering cheating.
You may be surprised at what you find, but you have to be slick about getting the phone. Most people have their cell phones within their eyesight at all times. It involves a little craftiness to get into the cell phone.
What to Do
Once you get a hold of the cell phone or cell phone bill you want to explore and see what you can find. Make sure that you have some idea of how to operate the phone before you start. You can check out the type of phone and do an internet search to familiarize yourself. Stumbling through the menus can waste precious time.
You are looking for phone numbers you do not recognize. Mainly those made during odd hours. If your spouse uses the phone for business it may be normal to find odd numbers during the day. It can also help to look for numbers that are reoccurring a lot.
Once you find the numbers check them out in a reverse phone look up online. If you do not find anything try calling them just to avoid confronting the person on the other end. That is the last thing you want to do. You can tell them you found their number on your cell phone bill and did not recognize it or make something up as to why you are calling. Just get the name of whomever it belongs to so you can use it when confronting your spouse.
Make the Confrontation
Before you confront your spouse and accuse them of cheating you need to make sure you have some solid proof. Confirming the odd number or numbers you find can be a big help. You may be able to simply show your spouse the number and get a reaction that makes them admit to their wrong doing. You just have to be ready to accept the results of the confrontation whatever they may be.
Author Resource:- You can use a cell phone to discover a cheating spouse, but there are other tools that can be handy, too. Learn about other ways to uncover a cheating spouse at http://www.search-for.net/how-to-get-ex-back/
To download your free gift, go to Catch a Cheating Spouse with Their Cell Phone.
Article From Article To Go Directory-Content for publishers, newsletters and sites
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Related Links :
http://en.wikipedia.org/wiki/Ringtone
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21/7/2008 - People Search by Phone- even Possible in Cell Phone Numbers
By : William Mccain
Reverse phone directories paved way to the public to know the identity of any person calling them. There might be a mystery caller that keeps on bugging you in the middle of the night or anytime of the day. Unfold that mystery and don’t make yourself a victim of those people who can do nothing but to piss someone’s life. People search by phone number is as easy as 1-2-3.
You can have a free access to any sites consisting of landline numbers only. You can make use of those details to start your research. If you never have an idea who behind the number is, now you can know. Yet mobile numbers can not be accessed in free directories. You will have to try more.
There are reverse phone directories that you can have access to mobile numbers. Some agencies that deal with cell phone companies. And because of that time and effort exerted, small charge is required for the public to pay.
What about a $15-$75 per individual number? It is not that a burden if the result will make you comfortable, right? You should not hesitate to spend your money especially spending it wisely.
But there’s a better option for you. You would either choose with pay per search or have yourself to be a member of a particular site? You should be smarter, of course. It is better to have a ready resource for you and have a limitless access ranging from $40-$200 per membership fee.
But the good thing is, though your payment is settled once, you will still have the chance to get it back. Yes, there’s a money back guarantee if you results turned into vain. This is to avoid circumstances such as if you cannot find what you are looking for. You think it is waste of money? No, because there are still good companies that understand what you are going through. Others will even give you free sample reports before they let you commit on the membership. This is to assure you that you are choosing a right site for your people search by phone.
At searching people using cell phone numbers, you are expected to get details on name, address, members of the family and others related to your search. Actually, they are just basic information. You can upgrade your search to a full investigation to know about a person in a deeper sense.
If the person behind the number might think that he can trick you then lay your card, you have ways to chase him and know him.
Article Source : People Search By Phone
Author Resource:- William Mccain
A writer for People Search By Phone
Article From Content Edge | Article Directory
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Related Links :
http://en.wikipedia.org/wiki/Mobile_phone_features
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21/7/2008 - Amazing Cell phone deals you can take advantage of online
by Harish Steve
Cell phones are probably one of those electronic items that we tend to change most often. Each of us has our own reasons for our love affair with these sleek, feature-rich cell phones. Whatever the motive, the desire to purchase the latest and the best cell phone is always lurking beneath the surface. Fortunately for the avid cell phone enthusiast, online cell phone deals are limitless whether you are looking for accessories or new mobiles. These online deals are reliable and cost effective.
As a rule, shopping for cell phones is relatively tough. These gizmos are always being reinvented. Latest models with greater hi-tech options are easily the most sought after items. Therefore there is a lot of competition in this bracket. Even so, there are some great discounts in this sector. To lure customers, sellers often give away bonuses on a certain model. As models become older and the demand wanes, shoppers are able to get increasingly attractive offers from online shopping directories. But consumers are often unaware of the latest deals when they buy from their local stores.
Prices for mobile phones on online shopping sites are much lower than the costs you would find in real stores. People who have specific needs also benefit a lot from online cell phone deals. Online stores make it possible for them to compare prices, features, models and read reviews before they buy a product. This is immensely helpful.
One of the best features of cell phone deals on the Internet is the facility to buy a complete data transfer package. It is not just talk facility and voice relay. Companies also offer you the best chargers, accessories and features, so that your cell phone experience is cutting edge and totally satisfactory. For instance, if you need a charger but lack the time to go shopping for such a trifle, you can always order one on the Internet. Cell phone deals make it possible for you to get an umbrella of features at a cheap price. In the above example, in addition to the charger, you may also decide to buy a complete package with USB data cable for photo transfer, car or travel charger and several other accessories. The price for such a buy would be less than $20 inclusive of shipping costs for some parts of the world! And you can do all this without stepping out of your house.
Ordinarily, you would need to invest quite a bit of time to search all the sites on the entire info highway and compare prices, so as to determine the cell phone deals that would be advantageous for you. And time is a premium these days. To make your life easier, you can now rely on a single search service that takes it upon itself to do the searching for you. At a single click, you will get refined search results that offer you the best phone deals on the Internet. You no longer have to chase data and sit through boring download times before you buy the best cell phone. Just one click and you’re home! Imagine how much time and effort that would save you.
About The Author :
Save money on cell phones and cell phone plans! Go shopping at Price stealer where you find the best cell phone deals online.
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Related Links :
http://en.wikipedia.org/wiki/Mobile_phone_accessories
Communication Skill
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16/7/2008 - Cell Phone Ringtones 101
by Joe Hanoa
Cell phone ringtones are a popular fad today. When your cell phone receives a signal from the tower that it has an incoming call, it signals to you with the ringtone. The ringtone is the sound that comes from the cell phone when it receives an incoming call or message. This can be a ringing sound, a siren, a musical tune, etc. Cell phones come with a selection of ringtones and part of setting up the phone for use is to assign different ringtones to different people in your phonebook. You also assign ringtones to the different function like text messaging and voice messaging. When your phone rings then you can determine who is calling by what tune it is playing and don't have to look at the caller ID.
People like to personalize their cell phones with different ringtones. Part of the reason for this is to distinguish your phone ring from other when you are in a crowd. If everybody's phone plays the same tune, everybody has to check their cell phone to see which one has the incoming call. A unique ringtone allows you to identify your own phone from others.
Cell phone ringtones are a popular fad today as people are in to using popular voices or selections from popular songs for their ringtones. If you want new ringtones for your cell phone you can check on the internet with your carrier to see what they have available. You can also look through page after page of places providing ringtones. Most of these places require enrollment and are like book-of-the-month clubs in that you receive a specified number of free ringtones upon joining. After that you pay a monthly fee for a specified number of ringtones. The monthly fee can range up to ten or more dollar per month. Ringtones can be monophonic in which they play one note at a time. They can be polyphonic in which they play more than one note at a time. Excerpts from songs are called MP3 ringtones. There are also real sound ringtones that are sounds like sirens and animal sounds.
Ringtones are phone manufacturer and model specific. When you download ringtones you must be sure that you have the right ones for your cell phone or they won't work. Most places on the internet have them listed by manufacturer and model so don't even bother to look at what is available for cell phones other than yours.
Information About The Author :
Joseph is the proud owner of Ring Guide, a website that will explain everything you need to know about Ringtones. We invite you to visit our site today and see what we have to offer.
Published by Meta Search Engine LOOK-4IT.COM.
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Related Links :
http://en.wikipedia.org/wiki/Mobile_Internet_Device
http://cellphones.about.com/cs/miscellaneous/ht/cell_etiquette.htm
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