Aerials; Amplifiers; Amplifiers for wireless communications; Global positioning system; Global positioning system (GPS); Lightning arresters; Modems; Radios; Sonar equipment and parts thereof; Sonars; Transmitters of electronic signals; Transponders; Electric connections and connectors; Electric wires and cables; Electric cables, wires, conductors and connection fittings therefor; Radar receivers with amplifiers; Satellite navigational system, namely, a global positioning system (GPS); Teleco...