Is there anyone on the earth who has never faced the problem of dropped call? You might be living in an area with the best of reception, but the person on the other end might not be as close to the cell phone tower as you are. Whatever the situation might be, the result is call drop. There is nothing you can do or complain here about. The areas with poor reception are called dead zones and these dead zones don’t have sufficient signals to keep the connection active. But you can use the miracle of science, cell phone signal booster, a device that is used to boost the signals for these cell phones. It boosts the weak signals around the base unit in its range. It transmits the boosted signals to the cell phones that fall in the range of the booster. It uses the repeating technique in the boosting as its principle. That is why the booster is sometimes referred to as cell phone repeater too. This is really an amazing device and has gained popularity in the market in no time since it was launched. You might check the reviews left by people on websites. All the comments and reviews are true and positive. This device really solves the problems it was made to deal with. There are basically two types of boosters available, one is the fixed one that might be sued at homes or offices, and the second one is the portable one. The portable one can be carried away and has less capacity. But the fixed one can’t be moved after installation and has more capacity than the other type of booster. 4g signal booster was recently launched after the launch of 4G service. This booster is specially made to deal with problems faced by 4G enabled cell phones. Mobile boosters are brought in great use by every business, every person and every businessman too.