MOST DEVICES HAVE A REN OF 1. THIS ADAPTOR HAS A REN OF 0 SO DOES NOT REDUCE REN OF THE LINE. PLUG THE DOUBLE ADAPTOR INTO THE SOCKET.
BT TELEPHONE DOUBLE ADAPTOR 2 WAY SPLITTER
Commtel Telephone Privacy Dual Adapter Adaptor Double Splitter
Commtel BT to BT Telephone Double Adapter 1:2 Two Way Splitter 4 Wire White
BT Telephone Adapter Two way Phone Socket DOUBLE Adaptor Splitter / Connector UK
BT TELEPHONE DOUBLE SOCKET ADAPTOR 2 WAY SPLITTER BREAK IN OUT
BT Telephone Phone Double Adaptor Splitter Converter - SENT TODAY
