RJ45 Coupler, Ethernet Coupler, Ethernet Cable Extender Adapter for Cat7/Cat6/Cat5e, Female to Female (Black-5 Pack) with 10 Pieces Free RJ45 Connector
Brand: PETECHTOOL
Color: Black-5 Pack(free gift)
Warranty:
30-day money-back guarantee for any reason and 12-month warranty

Attention:
It is not for a phone cable, but for an Ethernet cable.
They are only compatible with RJ45, NOT compatible with RJ11.
RJ45 Female to Female Network Jack In-Line Coupler extend the length of a Ethernet patch cable.
Constructed of high-impact, fire-retardant plastic and nickel plated contacts, these couplers meet or exceed Category 6 performance in compliance with the TIA/EIA 568-C.2 standard.

Specification
Connectors: RJ45 8P8C, Nickel Plating;
TIA/EIA 568-C.2 Verified;
RoHS compliant.
Network Speed: up to 10 Gbps

Package Contents:
Black-5 Pack(Free Gift Included): RJ45 Coupler x5(10 piece FREE RJ45 Connector)
☀【USAGE】 RJ45 Coupler extender is ideal for extending ethernet connection by connecting 2 short network cables together.
☀【FAST SPEED To 10 GIGABITE】The RJ45 connector can speed up to 10 gigabite for connecting Cat7/Cat6 ethernet cable.
☀【SAFE And SECURE】With nickel plated contacts and easy snap-in retaining clip, the coupler ensure a secure and corrosion free connection.
☀【COMPATIBILITY】This 8P8C female to female Ethernet coupler jack is compatible with Cat7, Cat6 Cat5e, Cat5 network.
☀【HIGH PERFORMANCE】 RJ45 inline jack coupler meets Category 6 performance in compliance with the TIA/EIA 568-C.2 standard. It is RoHS compliant.