TMobile Booster Cell Phone Personal CellSpot Signal
Reduce dropped calls and dead zones. All you need is 1 bar. You need to already have **some** cell phone signal / bars of service for it to work. It cannot boost a nonexistant signal. . Easy to install-true plug and play, self-configuring, no cabling and professional installation not require. Purchase is for Window Unit Only. For use with TMobile Network Only.