... ,Home ,office ,luxury yachts ,private cars ,public security system and road safety management ,etc. dual band mobile signal booster/ Repeater ... Indoor Antenna (goes inside the building)!4) Coaxial Communication Cables5) ConnetorStep 1 Start by taking your phone up to the roof or ... the building. If needed, tune system by moving and or pointing the Outdoor and Indoor antennas until they get the most ...