Stealth X2 boosters are the highest power building boosters on the market. They are ideal for rural and remote locations greater than 10 mi. (15 km) and up to 35 mi. (60 km) from the nearest cellular tower.
Stealth Z1 building boosters are designed for buildings with poor indoor signal that are not located in remote areas. They are best suited for areas within 10 mi. (15 km) of the cell tower.