BT Infinity Sky Q RJ11 to Openreach Fibre Broadband Router Extension Cable Lead | eBay
The top set of wires is the normal broadband to my house. Is that bottom on fibre optic or is it something else? I know there's FTTC, but BT don't think there's
BT Full fibre with 10GbE network installation tested with a £15,000 Fluke DSX 8000 - YouTube