POLYTRON

Class [9]
Computer & Software Products & Electrical & Scientific Products

Passive and active apparatus and construction groups of terrestrial transmit-and-receive technique; distribution technique via broadband cables; optical transmission technique; receive technique via satellite; video technique and digital technique, namely frequency filters and frequency seperation filters; selective and high frequency broadband amplifiers; modulators; demodulators, oscillators, frequency converters; detectors; video supervision systems; accessories for distribution nets, namely distributors, branch off junctions, sockets, junction plugs, frequency blocking filters, mains power supply apparatus.