... .D Elevator, lift wells in particular, not in the lift cables laidE Home, office, luxury yachts, private cars, public security ... )2) Signal repeater3) Indoor Antenna (goes inside the building) 4) Coaxial Communication Cables5) Connetor The installation steps:Step 1 Start by ... the most signal possible.Step 8 Secure all antennas and cables, securely mount the Signal repeater and clean up the installation ...