Item code: BK4503. Known as Secondary type and has no components embedded.
RJ45 PLUG TO BT SOCKET SECONDARY SLAVE LINE ADAPTER UNIT TELEPHONE CONVERTER
RJ45 to BT Socket Adaptor for Secondary Phone Line Telephone Converter
10x RJ45 PLUG TO BT SOCKET SECONDARY SLAVE LINE ADAPTER UNIT TELEPHONE CONVERTER
RJ45 Plug to BT Type Socket Telephone Line Adaptor Secondary Kauden BK4503
RJ45 Plug to BT Type Socket Telephone Line Adapter Secondary Kauden BZ4503
RJ45 PLUG to BT SOCKET MASTER PSTN NETWORK ADAPTER LAN Ethernet Telephone Line
