Using Directional and Omni-Directional Antennas to Boost Wireless LAN Signals

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Prepaid Wireless

Friday, October 30th, 2009

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Sprint Prepaid Wireless

It’s never been so easy to stay connected! With Sprint prepaid wireless phones, you can have the freedom you want and the great service you need — with no strings attached.

These days, nearly everyone has a cell phone. Wireless phones are simple to use, easy to carry and offer limitless freedom to talk, wherever you are. There are usually no sign-up fees, no long-term contracts that force you to commit to two or three year plans, no set monthly payments and no credit checks. These phones are so simple to set up and use it’s no wonder so many people have them.

Instead of costly long-term commitments, prepaid phone service allows you to be in control of how much you spend every month. There are plans that require you to make a minimum purchase, or put a time limit on the airtime you purchase, but these packages do vary. You can compare the limits offered with various providers, and the denominations of cards purchased. Even then, you’re still only buying the amount of minutes you’ll need. If you know that you’ll be using the phone less next month than you did this month, you can buy a card for a lower denomination with fewer minutes. If you find that you’re running short on airtime before the month ends, you can always purchase an additional card at any time.

Sprint prepaid wireless plans, and some other prepaid calling services, also allow you to avoid those nasty overages that can grossly inflate your bill. Rather than seeing your $40 monthly bill jump to an astronomical three-digits, the extra minutes you use will not be subject to ridiculously high rates. With a prepaid plan, you can simply buy extra minutes at the rate you normally pay. It’s a fair way of doing business that benefits cell phone users, rather than penalizing them.

Don’t worry that you’ll have to choose from a selection of poor quality equipment when choosing a Sprint prepaid wireless phone. The selection is almost identical to that of phones offered on typical monthly plans, including the latest in camera and videophones. One major physical difference is their “minutes display” feature that gives you a running tally of how many airtime minutes you have left on your prepaid account.

In the world of cellular phones, Sprint prepaid wireless plans offer flexibility, quality and affordability, making them very attractive and popular choices.

By:  Susan Miller

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Boosting Wireless Lan Signals.

Thursday, April 2nd, 2009

Have you ever wondered how people can boost the range and signal strength of their WiFi connections?  Most of the time, they use hardware that is capable of boosting radio signals, typically a form of antenna.  The typical wireless access point is capable of broadcasting a signal up to 300 feet away in all directions.  However, they are omni-directional, which means that the signal is the same in all directions, therefore weakening the overall signal strength.  Adding a directional antenna, which focuses the signal at a particular area, can help increase the signal strength and distance. 

Boosting wireless LAN signals is a fairly easy task, but only if you know what to buy. The main problem with wireless local area networks is that they have "dead spots," areas that are outside the reach of the wireless network.  This is common with large office buildings.  To rectify this problem, companies have made devices known as extenders which can boost the signal strength and distance.  They work by adding antennas to the original access point device, which are capable of transmitting a stronger signal. 

The larger the antenna, the more gain it has, which means that it can transmit a much stronger signal. There are two types of antennas that can be added to a wireless access point: directional and omni-directional.  An omni-directional antenna transmits in all directions, boosting wireless LAN signals equally in all areas within its sphere.  Directional antennas, on the other hand, transmit the WiFi signal in only a single direction; however, said signal is much more powerful and can reach a larger distance than an omni-directional antenna.

How does one know whether to buy a directional or omni-directional antenna?  This depends on whether a person needs a signal boost in a particular area or over an entire sector of a building.  The typical office building can benefit more from an omni-directional extender if the access point is located in the middle.  If the access point is at the side of a building, however, a directional extender would be more helpful, because the signal would spread out in the direction the antenna is pointed at.

Anybody can find a good extender for boosting wireless LAN signals at an electronics store or online.  The thing to remember is the difference between a directional and an omni-directional extender.  Directional antennas focus the signal in one direction, but has a stronger signal over a longer distance.  Omni-directional antennas boost the signal strength over all directions equally, but has a shorter range than directional antennas.


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