Cell phones are hand-held telephone devices with built-in antennas. They are often called wireless, mobile, or PCS phones. Cell phones are popular with callers, especially those who are frequently on the go, since they can be carried easily from one place to another.

Basically, cell phones are two-way radios. When you talk into a wireless telephone, it picks up your voice and converts the sound to radio frequency energy or radio waves. The radio waves then travel through the air until they reach a receiver at a nearby base station. From here, it is the base station that sends your call through the telephone network until it reaches the person you are calling.

Health Concerns over Cell Phones

The most recent issue about cell phones is their perceived health hazards. As stated earlier, cell phones are radios. However, to be more accurate, cell phones are low-power, single-channel, two-way radio devices. When you talk on your cell phone, you are actually talking to a nearby base station. Cell phone base stations are low-power, multi-channel, two-way radios. Their function is to send your phone call into the regular land-line phone system so you can start talking with the person you are calling.

Now, since cell phones and their base stations are two-way radios, they produce radio-frequency (RF) energy which is what they use for communication. The people who are near them are of course exposed to the RF energy. However, because both the cell phones and the base stations are low power, meaning they only exhibit short range energies, the RF energy exposure levels from them are generally very low.

The scientific community both in the United States and internationally agree that the power from these cell phone base station antennas is far too low to produce health hazards and as long as people keep away from direct access to the antennas, they are safe from any perceived health risks.

Cell Phones - Buying and Savings Tips

Cell phones are the “in” things nowadays and it’s hard not to find anyone without it. However, despite cell phones being an absolute must, there’s no need for you to pay much for a gadget that you barely even use. So, if you don’t use cell phones very often, select a low usage service plan for your mobile. Many areas offer cell phones for as low as $19.99. This allows you the convenience of mobile phones but without making too much of a dent on your wallet.

Another excellent tactic to save on your cell phones is to only get features you need. Call your wireless provider to cancel extra features if you are not using them. This will allow you to save some on your cell phone service plan.

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Free Cell Phones
... your service plan. Service plan subscriptions often meant not only low monthly fees but free cell phones to boot. Along with free cell phones, extra features are also offered. So depending on the free cell phone model, your service plan may include email, Wireless Application Protocol (WAP), Bluetooth wireless technology, et cetera. All these features make your free cell phone even more convenient to use. Free Cell Phone Sites Free cell phones are also offered on several online sites. More often than not, these free cell phones are offered only if you subscribe to some type of cell phone service provided by these sites. Websites such as LetsTalk.com or Cell Phones Calling-Plans.com offer free cell phones along with their subscription service plans. LetsTalk.com is one of the top websites that offer free cell phones to their subscribers. They have the widest selection of cell phones and cell phone plans at the lowest possible prices. When it comes to deals, they...

Reverse Lookup Cell Phones
These days, with the availability of the internet, it is now possible to do reverse lookup cell phones from the comfort of your own homes. There are a few websites online that allows you to trace a cell phone number to a person. One of the best reverse lookup cell phones site I have found is Reverse Phone Detective. This site has a much larger database and the results are more accurate than other reverse phone lookup sites I have used before. Reverse Phone Detective isn’t free but the pricing is affordable. Plus, you can search the site to search for the person you were looking for first. Once a confirmed result is available, then you can pay for more detailed information. If you want reverse lookup cell phones, check out Reverse Phone Detective.

Camera Cell Phones
... digital camera that has people excitedly purchasing new phones. Camera cell phones were first introduced in Japan several years ago. Camera cell phones immediately clicked in the Asian cell phone market. However, it was not until two years ago that camera cell phones were marketed in the US and became available to the masses. At first, they weren't that popular. But as soon as people began to see the extreme convenience afforded by camera cell phones, the devices became so well liked that some have predicted that they will be the most popular consumer device in history. Industry analysts say that a huge number of camera cell phones were sold last year. In fact, these camera cell phones comprised 12% of the total cell phones in 2003 and they were steadfast in the belief...

PDA Cell Phones
... phones these days are focused more on its ability to act as your Personal Digital Assistant or what is commonly referred to as a PDA or palmtop. PDA cell phones are quite new in the market but they are vastly popular among the busy, mobile people who are always on the go. Yuppies, those young urban professionals, are especially taking to PDA cell phones like flies to a pie. After all, who wants to tug along two devices when you can have one? PDA cell phones combine the benefits of both a mobile phone and a personal organizer. But instead of carrying two devices in your pockets, you only carry one. Convenience and portability all rolled into one! That's exactly what PDA cell phones are...

Sprint PCS Cell Phones
Kansas by Cleyson L. Brown, Sprint, known then as Brown Telephone Company, underwent a rapid growth with its ingenious technological advances which made it an industry great by 1976. But it was in 1989 that Sprint International emerged as a global name with its series of high-profile technological advances, such as the nation's first coast-to-coast fiber-optic transmission and the first transatlantic fiber-optic phone call. By 1993, Sprint provided service to more than 6.1 million customer lines in 19 states. The year 1995 saw Sprint with its partners acquire PCS wireless licenses in 29 major trading areas in the FCC's first auction. The result was Sprint PCS and one of its latest products, the Sprint PCS cell phones. The Sprint PCS Fair & Flexible Plan Sprint has put...

Verizon Cell Phones
... to take advantage of Instant Rebates and Online discounts which are only available for website purchases. Now, instead of enumerating to you all the Verizon cell phones they have available, why don't we just highlight one single item for you? The hottest phones in the marketplace these days are camera phones or phones that come with built-in digital cameras so you can take digital snapshots of your life in an instant. The LG VX8000 Verizon cell phone is one such phone. The VX8000 Verizon cell phone offers an interactive experience that promises to go beyond your wildest dreams. With all its interactive features and multimedia capabilities, this Verizon cell phone seems poised in changing the world thinks - the way you think - about mobile phones. The LG Cell Phones VX8000 Verizon cell phone offers the V CAST...

Cellular Phones
... cell phone model, here are some of the things you can do: * 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 email * Get information, such as news, entertainment, stock quotes from the Internet * Play simple games * Integrate other devices such as Cell Phones PDAs, MP3 players, and GPS receivers All right, so now that we have enumerated some of the stuffs that cellular phones can do. But have you ever wondered how cellular phones work? What makes cellular phones different from regular phones? To start with the basics, cellular phones are basically radio devices. Well, they are extremely sophisticated radio devices but radio nonetheless. The telephone was invented by Alexander Graham Bell in 1876 and wireless communication came to be with the invention of the first radio by Nikolia...

T-Mobile Cell Phones
... T-Mobile delivers strong consumer appeal and excellent service to more than 16.3 million customers in the United States. A wireless cell phone carrier, T-Mobile International is the first mobile communications company to offer service on both sides of the Atlantic with a single global brand name and a single digital technology standard, GSM or Global System for Mobile Communications. Thus, what they offer their customers is the advantage of using their wireless services when traveling worldwide. T-Mobile Cell Phones: Coverage We all know that when choosing a cell phone, the first thing we need to consider is coverage area. T-Mobile cell phones cover more than 224 million people in more than 8000 cities across the United States. If you want to find out exactly if your area is covered, simply visit the T-Mobile...

Cell Phone Plans
... find out that your carrier does not provide coverage in you area. The irony would simply be too much. So first thing's first then. Find out if the carrier covers your area and once you do, you can base all your later decisions on that one fact. The thing you need to remember about coverage is that it can be subjective. First, make a list of all the places that you are likely to use your cell phone - your home, office, Cell Phones your kid's school, the playground, favorite vacation spots, et cetera. Do you a travel a lot? Are there any special places that you frequent? Find out if your carrier provides coverage for those areas as well. After coverage, we have two things to tackle when shopping for a cell phone plan. Which do you think is more important - the phone or the service plan?...

GPS Tracking-Enabled Cell Phones
... Other solutions are provided by the affiliates of Nextel itself, as well as by third parties like Mapquest and Trimble. Beneflon Beneflon has already developed two cell phone GPS tracking solutions, the Track Pro and ESC. As often claimed, these solutions are high-end cell phones designed for use in professional security and personal safety applications. These also have a fully-functioning GPS which provides accurate location data to the user without assistance from the network. And, it is somehow necessary to note that while these are not Internet enabled devices, they have a number of features perfect for interactive communication between the user and a service center. And, perhaps what is best about Beneflon cell phone GPS tracking solutions is that Beneflon itself is a multi-band GSM wireless network phone that can be used in Cell Phones a number of countries in the...

Pay As You Go
Technology is constantly expanding and cell phones are being made for every type of consumer -students, parents, and even for kids. Often pay as you go phones are over looked. Some think they just aren't as good as being on a plan but there are many advantages to using a pay as you go phone. Pay as you go phones have all the technology of any other cellular phone and more of the freedom. Pay as you go phones have internet capabilities, text messaging, call forwarding, roaming abilities, games, and some Cell Phones even have phone cameras! Their reception is high quality and they come in many designs to suit everyone's needs and styles. No matter what you're looking for, you can find...

Benefits To Unlocking Any Cell Phone
Cell Phones are locked by Network service Providers such as Cell Phones MTN, AT &T, Vodafone, 3 mobile, Celtel, Verizon wireless, Sprint, Cingular, etc to discourage subscribers (You and I) from hopping (changing at will) between different Network Service Providers and to also prevent subscribers from perpetrating fraud. Every locked Cell Phone must have been a pre-paid or postpaid handset sold and bought at a discounted or subsidized price from the Network service Provider to which the handset was locked. More: Unlocking Any Cell Phone

Cingular Cell Phones
... subscribers are assured of using only the nation's largest digital voice and data network. Cingular Wireless offers a plethora of various products and services, including Digital Wireless Cell Phones Voice, Rollover, Cingular Nation Rate Plans, Voice Connect, and of course, the Cingular cell phones which in themselves come with a host of other features and services. As a cell phone carrier, Cingular lets you choose the type of phone you want of all models and makes. Let's take the Samsung X427M Cingular cell phone, for example. This Cingular cell phone has an ultra cool, silver chassis that's just oozing with style and elegance. As with all Samsung cell phone models, the X427M Cingular cell phone comes with an individualistic clam-shell style which you can snap open...

AT&T Cell Phones
... combined with Cingular's GSM service gives you more signal bars in more places you can think of. Cingular offers its Nation Plan for your AT&T cell phone. Now, you can get the only simple-to-understand, nationwide plan that allows you to roam the country without any added cost. You pay Cell Phones the same low rate but enjoy tons of benefits. GSM is the global standard for wireless technology. So with Cingular's GSM service, you can stay in touch around the world via your AT&T cell phone. GSM technology uses a really neat feature that allows you to move phone book entries conveniently. Called the SmartChip, this technology allows you to move your phone book from phone to phone without reprogramming. Expanded Mobile to Mobile Calling Plan Now that AT&T is part of the Cingular Wireless family, your mobile to mobile calling community has expanded. Now, you can...

Wireless Phones
... each of four rooms. You can do this with a single wired line. But with wireless phones, you would need four separate phone lines and that could be costly. Some wireless phone companies actually offer family plans to reduce the cost for multiple cell phones in the household, but still, if you have a big household, the cost is still considerably higher compared to a single landline number. Am I (or my family) light to moderate users of Telecom? Telecom usage is another cost issue. Most landlines are priced at a flat "all-you-can-talk" rate. With wireless phones, the bill is often competitive with most landline bills. However, as you talk more, the cost increases. This is because wireless phones are charged at Cell Phones a per-minute basis. So if you want to get a wireless phone, make sure that your Telecom usage won't be that big. Am I okay with the occasional dropped call or bad reception? This question deals mostly...