This unit is full size and made to replace your bt face plate the unit comes with a full size back box if required and full fitting instructions too so anyone can install this unit it is simply as you only have two wires to connect to it from your main feed in from your bt landline.
Brand New BT Master Telephone Socket + ADSL Filtered Face plate + Full Size Back box + Screws + Wiring Instructions
Ideal for new Broadband installation or to tidy up existing installation.
Remove all those filters hanging out everywhere and replace with a neat adsl face plate socket.
Enables the use of telephone and broadband simultaneously. No need for external filter. Flush fitting face plate replaces existing wall plate.
This ADSL Filter is designed to exceed the BT SIN 346 specifications to ensure maximum compatibility. Suitable for use with all telephones, facsimile machines, answering machines and ADSL modems.