Wireless communication apparatus; Electronic carbon dioxide monitors (other than for medical purposes); Apparatus for remote data transmission; Vibration sensors; Intercommunication apparatus; Electrical security devices, other than for vehicles; Electrical sensors; Electrical sockets; Sockets, plugs and other contacts (electric connections); Electronic security tags; Free standing loudspeakers incorporating boxes; Hi-fidelity loudspeakers; Audio speakers for home; Sound amplifiers; Radio clocks; Electronic radio apparatus; Radio for radio communication networks