Cell phone signal booster is very easy to use for a new user. They work both ways and they boost the signal coming out and going in the phone. They enhance the signals at the places where signal strength is poor generally. These boosters are available in two categories namely dual and tri band boosters which gives the signal in both digital and analog formats. Some people have the landlines at their homes because they don’t want to loose connections on mobile and loose important calls and they pay hefty bills for the same. These cell phone repeater can help them and they improve the signal strength at any places and they work at all places and can help them to reduce their expenses. After installing the cell phone signal amplifier you will be able to the use the cell phone in your entire house. These boosters are available at affordable prices. But the cheapest of the boosters don’t work well and the midrange boosters are perfect in doing what the claim of doing. They can help us a lot and installing a booster with your mobile really makes a difference in the quality of the voice calls and overall functioning of the phone.