Tri band signal booster – 2g 3g 4g mobile signal booster
a mobile phone signal repeater provides the ultimate solution in any area where cellular communications can not work well due to a lack of signals. the repeater device features easy installation & operation, build-in indoor antenna and no interference. it could also improve indoor electromagnetism environments, protract cellular battery life and reduce radiation of cellphones. a mobile phone repeater is ideal for house, home, office use.our cell phone signal boosters work with all cellular telephone technologies and networks used in north american usa & canada, the only exception is that of push-to-talk (ptt) networks which is one wireless telecom service platform that is being phased out already.