Downloadable computer decoding software; signal cables for IT (information technology), AV (audio-video) and telecommunications; AC/DC (alternating current to direct current) converters; AC/DC (alternating current to direct current) inverters; DC/AC (direct current to alternating current) converters; DC/AC (direct current to alternating current) inverters; radiotelephony sets and radiotelegraphy sets; intercommunication apparatus, namely, walkie-talkies; cinematographic apparatus; telecommuni...