The Inline Coupler allows 2 RJ11 line cords to be connected to create a longer cord.
Connects 2-modular line cords to extend the length of a phone cord
Works with your landline telephone, fax machine, answering machine, caller ID display or other device for immediate connectivity.
4 conductor jack
Simple installation - matching jacks on either side of the coupler let you quickly connect it to standard phone plugs.
White