This is an ADSL Filter, Telephone plug allows your to use your broadband internet and your landline phone on the same line with no noise interference.
This Telephone Adapter will allow one modem with a RJ11 plug and one telephone or modem with a UK plug to connect to a single UK telephone wall socket. The RJ11 socket is reverse wired as is required for conversion to the UK telephone system.
One RJ11 Socket to UK Telephone Plug.
Weight: 14g
