This ADSL broadband micro filter is plugged directly into a broadband enabled telephone socket. Used to connect an ADSL broadband cable and one telephone device. You will require one ADSL micro filter for each socket to which you are connecting any other telephone, answering machine, fax etc.
Simple to Install,
No Wiring Required,
Connector A: BT 4 Pin Plug,
Connector B: BT 4 Pin Socket,
Connector C: RJ11 4 Pin Socket,