New life for twisted-pair? 500Mbps over copper wiring
 

Equipment maker Ericsson says it can use copper wiring to transmit data at more than 500Mbps in the lab—but it requires channel bonding and short line lengths. While fiber is the future, DSL and copper wiring may have some life left in them yet.

http://arstechnica.com/telecom/news/...per-wiring.ars