BT (M) to BT (F) and RJ11 (F) White OEM Direct Plug ADSL Micro

Pictures may not be representative of the product specification and are for illustration purposes onlyKey Features:An ADSL microfilter is used to separate the phone line connection from the internet connection reducing interference and dropouts or even connection problems.For each telephone or device that uses a phone line, a microfilter must be plugged into that device.-Connection A: BT (M)Connection B: BT (F)Length: AdapterColour: White