Wireless communication apparatus; electronic carbon dioxide monitors (other than for medical purposes); apparatus for remote data transmission; vibration sensors; intercommunication apparatus; electrical security apparatus, 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