37 INSTALLATION, MAINTENANCE AND/OR REPAIR OF WIRELESS BROADBAND COMMUNICATION APPARATUS AND SYSTEMS, NAMELY, RECEIVERS, AMPLIFIERS, PHASE DETECTORS, MOTORS, PHASE SHIFTERS, MULTIPLIERS, LIMITERS, MODULATORS, DEMODULATORS, CONVERTORS, HUB STATIONS, TRANSLATORS, TRANSCEIVERS, COMBINERS, TRANSMITTERS, ANTENNA AND SATELLITES ALL FOR THE TRANSMISSION OF VIDEO, DATA AND/OR VOICE, IN ANY COMBINATION