WILSON~Pro Ent 1300 IB Amp Commercial-grade, in-building cellular amplifier that represents the latest in cell signal boosting technology including a revolutionary industry-first, three outdoor-antenna-port configuration. Depending on cell tower locations, using up to three outdoor antennas (each dedicated to a specific frequency band to collectively amplify signals from multiple towers) helps maximize coverage in commercial spaces up to 40,000 sq. ft.* Wall Mount Bundle includes; Enterprise 1300 Booster Unit, Outside Directional Antenna (314411) Inside Dome Antenna (304412) Lightning Surge Protector (859902) 2 ft. Wilson400 Cable (952402) 100ft Low-Loss Wilson400 Cable x 2 (952300)