SYSTEMSELECT

radio frequency amplifiers and accessories, namely plug-in signal splitters, diplex filters, equalizers, attenuators, and surge terminators; analog and digital fiber optic transmitters and receivers; network interface devices; modems; active and passive signal-splitting devices; power supplies; computers and computer programs for the management of fiber optic and radio frequency networks that transmit and monitor audio, video, and data signals

repairing for others fiber optic and radio frequency signal transmission networks and the equipment and computer programs used therein

providing technical training in the design, installation, operation, and maintenance of fiber optic and radio frequency signal transmission networks

designing and engineering for others fiber optic and radio frequency signal transmission networks and the equipment and computer programs used therein