หัวต่อโทรศัพท์ RJ11 6P 4C Telephone Straight Coupler, Telephone Cable Extender Joiner Adapter Connector

RJ11 relay connector 6-pole 4 core 1to1 Telephone relay joint 6-pole 4 core An adapter for extending the RJ-11 modular cable of FAX, phone and modem. Connector: 6-pole 4 core / female - female 1 pieces RJ11 relay connector 6-pole 4 core 1to1 Telephone relay joint 6-pole 4 core An adapter for extending the RJ-11 modular cable of FAX, phone and modem. Connector: 6-pole 4 core / female - female generalphone, also support other home telephone and business phone NTT specification connection compliance Color: beige