People says that before buying anything you should do a deep research and you should have knowledge of the fact about what you are going to buy. And same principle applies with cell phone boosters, if you are willing to buy one then do get your facts clear. First and most important fact about cell phone boosted is that it boosts low signal and do not create signals by its own.
Yes, if you are thinking that cell phone booster will give birth to new signals in no signal area then that is totally wrong, it do require minimum signal strength to work on. The working of cell phone booster is simple to boost low signal strength to highest possible and there is no hope of creating signals on it own, people who are buying the product hoping birth of new signals should reconsider their decision.
Another factor which should be kept in mind before buying cell phone is its frequency and this is very important. One should always buy cell phone booster which matches the needed requirements. Suppose you want to cover the area of 1000sqft then you should find the cell phone booster which works on frequency to cover that much area. It is also advises that buyer should always buy one level upper model of cell phone booster.