Cables for electrical or optical signal transmission; Computer network adapters; Electronic and optical communications instruments and components, namely, optical receivers; Electronic and optical communications instruments and components, namely, optical transceivers; Electronic and optical communications instruments and components, namely, optical transmitters; Ethernet adapters; Ethernet controllers; Ethernet repeaters; Ethernet transceivers; Multiplexers; Network cards; Optical couplers; ...

Communications by cellular phones; Communications by computer terminals; Communications by fiber optic networks; Communications by telegrams; Communications by telephone; Electronic message sending; Providing information in the field of telecommunications; Providing telecommunications connections to a global computer network; Radio communications; Rental of telecommunication equipment; Streaming of data; Telecommunications routing and junction services