For drivers that send out text messages while driving their chances of crashing are six times greater. A new study showed that texting or talking on the mobile while driving is unsafe. The study was done using a driving simulator, but how it relates to results on the road are unknown. But the fact is these activities can leave you with a cruched car.

With texting, drivers in the simulation decreased their following distance and had delayed reaction times, which means it took a longer time for them to hit the brakes. Driver?s median reaction time fell by 30 percent when they texted and nine percent when they were chatting on the phone in contrast to when they just drove. They had less control over their car and were more likely to get in a collision.

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Researchers behind the study published their results in the journal Human Factors and declared that ?drivers apparently attempt to divide attention between a phone conversation and driving, adjusting the processing priority of the two activities depending on task demands.? Well this doesn?t take a scientist to comprehend. I could have told you that. It?s the same as if you?re trying to eat while driving. If you drop on yourself or the floor, or try to dip french fries or chicken nuggets in the sauce the results are the same. Your attention isn?t entirely on the road and that can be dangerous for everyone.

Distractions while driving can be fatal. Even driving with other people in the car is less disturbing than talking on the phone. Texting is the worst though because it takes your eyes off the road as you try to send and receive messages. It moves your attention from the road to the phone and that split second of change can be deadly. When drivers create, read, or get a text their reaction times are much slower than even when they?re chatting on the phone. And simulations found that reading messages affected braking more than composing messages did.

The fact is that texting may be important to teenagers and young professionals but it is dangerous. It is illegal in many states because of all the crashes that have occurred. Some may be minor and others serious. But just put the phone away when you?re driving because if an accident occurs you or someone else could be killed because of your recklessness and carelessness. Nothing, especially a text message is worth hurting someone.

Laws can ban the use of using cell phones while driving but in the end you have to decide whether you?re going to obey the law or not. Just like they say don?t ?drink and drive? also keep in mind not to ?drive while texting? because it can be just as dangerous. Both tickets and the claim after an accident can be expensive. So wait until arriving at your destination to pull out the iPhone.

Diane Johnson graduated with a Bachelor of Science from the University of Utah and enjoys writing about current events, politics, online classes, adult education, and the office.

If the cordless telephone is not a miracle then what is? One can move about with it all over the house without breaking the conversation or getting entangled in wires. Cordless phones have the basic features of the normal telephone and there are many models available.

Basically the cordless phone is an amalgam of the telephone and the radio (transmitter as well as receiver). The cordless phone comprises of two things - the base and the handset. The base is attached to the main phone connection with the help of a jack. It accepts the calls coming in through the line of the phone and then converts it into a FM radio signal. After having done so, it transmits that signal.

The handset gets this radio message from the base and changes it to an electric signal. The latter is then converted to sound and eureka! One can hear! While talking, the handset sends the voice through a second FM radio signal back to the base. The latter receives it, changes it to an electrical signal and then transmits the signal through the lines to the other person at the other end of the line. Thus the base and the handset work on a pair of frequencies that allow for talking and listening at the same time. It is technically known as duplex frequency.

Cordless phones made its first entry in 1980 but their range was limited, sound quality was poor because walls and other objects acted as obstructions. There was little security as the signals could easily be intercepted. In 1986 with the granting of a higher frequency range by the relevant authorities the interference problem of the cordless phones decreased and the amount of power required to run these also lessened. But nevertheless the range was limited and the sound quality remained poor. With the further increase of frequency to 900 MHz in 1990 the sound reception improved, became clearer and longer distances came to be covered with a choice of channels. But the price remained beyond the reach of the common man.

In 1994 digital phones came to be introduced. It made conversations less exposed to eavesdropping. In the following year further advancement in technology in the form of digital spread spectrum was introduced in cordless phones and in this way the march of technology continued to make the cordless phone into a marvel and miracle with greater range, security and clarity of sound.

The cordless phone being a combination of the ordinary telephone and the radio has certain distinctive features that the general phone does not have. It relates to range, sound quality and security. By range is meant the distance that the handset is kept away from the base. This range can affect the quality of the sound being obstructed by walls and other like items.

Security is a big problem because the radio signals from both the handset and the receiver travel across open air paths where they can be easily picked up by other instruments like similar cordless phones, radio scanners or baby monitors.

Connected with the performance of the cordless phones are radio frequency, analog in comparison with digital technology and the number of the channels. The cordless phones works on many radio frequencies. Analog technology is mostly used in cordless phones in the cheaper models. It is more noisy and less secure. The sophisticated latest models use digital technology. All cordless phones have rechargeable batteries.

The invasion of cell phones however has taken away much of the focus on cordless phones although it still retains its market position.

This article can also be accessed in portuguese language from the Article section of page www.polomercantil.com.br/telefone-sem-fio.php
Roberto Sedycias works as IT consultant for www.PoloMercantil.com.br

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We?re come a long way from the first cell phones. The concept isn?t a new one; in fact in 1947 Douglas H.Ring and W. Rae Young, Bell Labs engineers, proposed hexagonal cells for mobile phones. The real launch of the first portable phones was in the early 80?s. At that time only the very wealthy or well to do individuals had them.

They were very big and heavy. Not something to be carried in your pant pocket or purse, this was something that weighed a few pounds. As big as they were though, they didn?t have a clear sound and using them was a hassle. At first, all were designed for permanent installation in vehicles otherwise known as a ear phone?

Some of these bulky units were soon converted for use as ?transportable? phones the size of a briefcase. Motorola introduced the first truly portable, handheld phone. The first digital cellular phone call was made in the United States in 1990. They shrank considerably.

Cell phones used to be just analog phones, with the sole purpose of providing the consumer with the capability of making and receiving voice calls while on the road.

As technology has advanced so have the capabilities of the LG cellphone. They don?t just send and receive calls at once; they are capable of text messaging, emailing, taking pictures and video clips. The sizes have gotten tiny yet their abilities have improved.

As we continue to advance, so will the abilities of GPS cell phone tracker. In the next few years, cell phone networks will move data at several megabits per second, and will coexist with WiMax, Wi-Fi, and, for TV, DVB-H or MediaFLO.

There is some question on where and when a good time to use your mobile phone GPS tracking is and when it?s not appropriate. Here are some things to keep in mind as suggested by business and etiquette professionals.

1. Never take a personal mobile call during a business meeting. This includes interviews and meetings with co-workers or subordinates.

2. Maintain at least a 10-foot zone from anyone while talking.

3. Never talk in elevators, libraries, museums, restaurants, cemeteries, theaters, dentist or doctor waiting rooms, places of worship, auditoriums or other enclosed public spaces, such as hospital emergency rooms or buses.

And don? have any emotional conversations in public - ever. People don?t require to realize your business and they don? care to realize if you are having an argument with your boyfriend.

4. Don?t use loud and annoying ring tones that destroy concentration and eardrums.

5. Never multi-task by making calls while shopping, banking, and waiting in line on carry out other personal business.

6. Keep all cellular congress brief and to the point.

7. Use an earpiece in high-traffic or noisy locations. That lets you hear the amplification, or how loud you sound at the other end, so you can modulate your voice.

8. Tell callers when you?re talking on a mobile, so they can anticipate distractions or disconnections.

9. Demand quiet zones and phone-free areas at work and in public venues, like the quiet cars on the Amtrak Metroliner.

10. Inform everyone in your mobile address book that you?re just adopted the new rules for mobile manners. Ask them to do likewise.

Remembering to be courteous of those around you when you are on the phone is a good place to start.

When talking on the phone in public leave your personal information out of the conversation and keep your conversations for necessity purposes only.

Part of the radio waves emitted by a mobile telephone handset is absorbed by the human head. The radio waves emitted by a GSM handset, (Global System for Mobile Communications) can have a peak power of 2 watts. An analogue phone has a maximum transmit power of 3.6 watts.

Other digital mobile technologies, such as CDMA and TDMA, use lower output power, typically below 1 watt. The maximum power output from a LG cellphone is regulated by the mobile phone standard it is following and by the regulatory agencies in each country.

Swedish researchers from the University Lund, Salford, Brun, Perrson, Eberhardt and Malmgren, have studied the effects of microwave radiation on the rat brain. They found a leakage of albumin into brain via a permeated blood-brain barrier.

The rate at which radiation is absorbed by the human body is measured by the Specific Absorption Rate (SAR), and its maximum levels for modern handsets have been set by governmental regulating agencies in many countries.

Some users of mobile handsets have reported feeling several unspecific symptoms during and after its use; ranging from burning and tingling sensations in the skin of the head and extremities, fatigue, sleep disturbances, dizziness, loss of mental attention, reaction times and memory retentiveness, headaches, malaise, tachycardia (heart palpitations), to disturbances of the digestive system all of which can be attributed to psychological stress.

Although research is still undergoing and it?s not entirely clear what the affects of cell phone tracer use will have, people continue to use it on a grand scale. With research they hope to conclude the affects cell phones use has in the near future.

When you call 911 from a land phone, even if you don?t recognize where you are, the 911 system is able to locate you and send help as needed. Your landline telephone is connected to the lines on the poles which illicits a computer in the dispatch center show the number and address of the phone you?re using.

Cell Phones Don?t Work the Same

When you dispatch a 911 call on a free mobile phone tracking, you are sending signals through the air. The tower that picks up your phone?s signal may or may not be near. Unless you are able to tell the 911 dispatcher where you are at, it may be very hard for them to locate you.

If you happen to connect to a 911 call center that is not local, they may not be able to help you as immediate ly as they will require to contact the 911 service providers in your area, thereby slowing the dispatching of help to the caller.

The Federal Communications Commission (FCC) has required that all wireless carriers be able to pinpoint your location for the 911 dispatchers, but the rule is coming in phases and there are plenty of exceptions.

When you call 911 from a cell phone, the call frequent lands in a regional center. A call-taker in a far- far city or county may answer your call. To get help to you, there are two pieces of information the call-taker crave s to realize immediately:

1. Tell the call-taker which city you?re calling from first. They can forward your call to the right center if require be.

2. Tell the call-taker what type of emergency you have. This will let them be able to inform the other centers of the nature of such an emergency. Giving priority to serious occasions first.

Dispatch centers may vary from one center to another, with the right information, the call-taker will transfer you to the right center.