2 way Splitter. 4 wires connected. Share one line between two phones.
Mobile & Telephone
kenable BT Telephone Splitter 2 way Sockets 1 x Socket to 2 BT Phon
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2 way Splitter. 4 wires connected. Share one line between two phones.
BT Telephone Phone Socket DOUBLE 2 way Adaptor Splitter commtel low profile
World of Data BT Telephone Socket Doubler/splitter for sale online
BT Double Telephone Socket 2 Way Adapter Splitter Female to Male, UK Plug
kenable BT Telephone Splitter 2 way Sockets 1 x Socket to 2 BT Phon
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