Antennas; Antennas; Antennas for wireless communications apparatus; Audio-video receivers; Audio cables; Batteries, electric; Coaxial cables; Connections for electric lines; Connections for electric lines; Converters; Data processing apparatus; Data synchronization cables; Electric cables; Electric junction boxes; Electric switches; Electric wires and cables; Electrical connectors; Electrical plugs and sockets; Electrical power extension cords; Filters for radio interference suppression; High...