Sparnex stands for innovative broadband technology over the existing copper infrastructure. The Sparnex chipsets are outstanding cores for building reliable broadband communication products that comply with ITU-T standards, now also available as an SFP with built-in copper transmission chipsets for ADSL2plus, VDSL2, and G.fast up to 1 Gbps. During NetworkX a live 3.5 Gbps Ethernet link demonstrates the transfer of one hour movie (HD 750p) in less than 3 seconds over one single telephone pair, or coax. No fiber needed.