Cell phone repeater is a device which is used for solving the problem of poor cell phone signal reception. In the dead zone areas, where the signal’s strength is so weak, cell phone booster is used. The walls and metals fitted in the buildings of hotels and theatres hinder the signals. To cure this problem, a cell phone signal booster is installed in a corner or on the roof of the buildings. The external antenna fitted in the setup catches the signals and sends them to the booster. Booster is directly connected with your cell phone. After boosting the signals, booster sends the signals to an internal antenna fitted on the back of your cell phone. This internal antenna broadcasts the signals up to a wide range so that we could make or get our phone calls properly in the area where we rarely go. If you install a cell phone signal booster then you would be out of the problem of dropped calls. And rarely, you would have any missed call. Battery back of your cell phone would be increased because the battery would have a small work associated with receiving or sending the signals. Also the radio frequency radiation is reduced with the use of cell phone booster. Increasing battery life is also a positive point of cell phone signal booster for home. The fact behind this line is that whenever you gets in to the low signal area or area where the signal bars in your cell phone gets decreasing then your cell phone use to search the signal more vigorously which leads to the more battery power exposure and which indirectly decreases the battery life, a cell phone booster uses to keep your cell phone in full signal area which do not make your cell phone to consume extra battery power in signal search mission. So this way cell phone booster for home also helps to improve the battery life of the cell phone.