Smoothtalker Stealth X6 70dB 4G/5G Ready Extreme Power 6 Band Building Cell Phone Signal Booster Kit. Covers up to 18,000 sq. ft.

Extreme Power Building Cell Booster Kit With Directional Antennas Complete kit includes all parts required – with F type connectors Covers up to 18000 sq. ft.(Sq ft will vary with outside signal strength)

“X-Series are our most powerful best in class signal boosters for any location where maximum uplink and maximum downlink power is needed. Work in remote locations up to 30 miles (50 km) from the nearest cellular tower”

Below is Square footage coverage based on outside signal at your location:

5 bars: up to 18,000 sq. ft

4 bars: up to 10,000 sq. ft

3 bars: up to 5,500 sq. ft

2 bars: up to 3,500 sq. ft

1 bar: up to 1,500 sq. ft

0-1 bar: up to 1,000 sq. ft

Above varies with terrain & cell tower settings.