BT Openreach 2023 NTE C5 MK2 Master Socket With MK4 VDSL Front Plate Brand New Unused In Sealed Packaging With Set Of Screws Features: Integrated VDSL and ADSL Filter In the MK4 Front plate. No Extra Filters Required Just Plug Your Modem Straight In To The Socket Improved Static And Interference. Better Sound Quality And Broadband Speeds. Self Crimping Tool-Less Termination,Just Insert The Wires And Close The Clip. Easy Extension Connector With Tool-Less Termination Clip Under Removable Front Plate. Testing socket under removable front plate for easy network testing.