You have come to the right place where you can find the information about a cell phone signal booster. A cell phone signal booster is a device which is simply used to strengthen the cell phone signals. It is known to all of you know that there was rarely a cell phone in the past. But now it is common to have a cell phone for everyone. With the advancement of cell phone technology there is an increase in number of cell phones in the market. The rates of the cell phones has gown down. Hence these are available at low cost in the market. With this advancement iphone signal booster is also increasing. These devices are simply used in a dead zone where the signal’s strength is so weak that you cannot make or receive your phone calls properly. A 4g booster simply works as an signal amplifier which amplifies the signals and then the signals are rebroadcasted to the destinations. These cell phone boosters make your life comfortable because, now, you can attend your phone calls when you are in the basement. You have no need to come outside. So a cell phone booster 4g is a gift to you from the modern cell phone technology. It is possible to attend your phone call when you are in the lift or in roaming. Sometimes your cell phone provider is not able to show all the networks at the front of your cell phone. This problem is solved by a signal booster. Now you have no need to stand near a window or the door to catch the signals. A signal booster make your cell phone a truly a wireless device. I am promising that you will have no problem of poor coverage of your cell phone after installation of a signal booster.