RJ45 Coupler, Internet Cable Connectors Female to Female, Cat6 Inline Couplerin, for Cat7/Cat6/Cat5/Cat5e Ethernet Extension Cable (2 Pack Blue)

RJ45 Female to Female Coupler
Ideal tool for extending your home or office network, ensure a secure and corrosion free ethernet connection by connecting 2 short male network RJ45 cables together and work as one cable.
Made of high quality environmentally friendly PVC material, with high impact resistance, heat and low temperature resistance etc. advantages. Interactive snap-in buckle design, firm and reliable connection.
Thickened PCB Board, Metallic Shielded,Robust and Durable Compatible with Cat-5, CAT-5e, CAT-6,CAT-6a and CAT-7 Ethernet cords.

Package Contents:
2 x RJ45 Couplers

Note:
Can not use with a keystone jack.
It is not for a phone cable, but for an Ethernet cable.
They are only compatible with RJ45, NOT compatible with RJ11.