Ultra-broadbandBroadband The term broadband, in telecommunications, generally refers to the transmission and reception of information data at a connection speed of over 144 kb/s. Broadband organises different channels, conveying different content in the form of data, such as Internet radio, animation, audio files and high-definition video. is when the actual downloadDownload The action of downloading or retrieving data from the network. connection speed is at least 30 Mbps. Networks in which the connection speed reaches or exceeds 1 Gbps are generically referred to as ultra-fast networks. To enable these speeds, optical fibres must be used instead of traditional copper cables, which is why these networks are called optical access networks (NGANs) or, more simply, optical networks (NGNs).