Coverage Area— The indoor coverage area that cell booster varies based on existing signal at the exterior antenna location: :1-2Bars~ 300 square feet, 3-4 bars ~ 2500 square feet, 5Bars~ 5500 ...

Cellular signal boosters use big antennas to improve coverage in your home or car. These are the top signal boosters for apartments, houses, and vehicles. I’m one of PCMag’s mobile analysts.

T-Mobile, and Verizon. Most home boosters also boost between 64 and 71dB of signal. Once again, that's due to FCC regulations. If you need more of a boost than that, you need to move up to Cel-Fi ...