ADSL Microfilter Direct Plug (BT Plug to BT Socket/RJ11)
Direct plug version, this filter has a BT plug bonded onto it-a version with a fly lead is available HERE This microfilter is designed to allow
you to connect both a telephone and broadband modem to the same
phone line. If you have an ADSL line you will need one of these on
each telephone point as they filter out the digital signal removing
interference from the line. These are standard microfilters
compatible with any ADSL telephone line.