Input (grade 13): VDSL or VHDSL (Very High Bitrate DSL) KPN - KPN starts VDSL trials is a DSL technology providing faster data transmission over a single flat untwisted or twisted pair of copper wires.
Output (grade 8): VDSL or VHDSL (Very High Bitrate DSL) KPN - KPN starts VDSL trials is a DSL technology providing faster data movement. This works over a single flat untwisted or twisted pair of copper wires.