RJ45 Coupler, Network Coupler, Ethernet Connectors, Hielded in-Line Coupler for Cat7/Cat6/Cat5e/Cat5 Ethernet Cable Extender Connector - Female to Female (Black-5 Pack)
Brand: Y.D.F
Color: RJ45 Coupler black 5 pack

Overview
The couplers are very well made and built tough. Allows you to connect two short ethernet cables into reasonable length without the need to buy longer ones. It is fully shielded to prevent electrical interference. Plug and play, work perfectly.
Specifications
Color: Black, Gray, Blue
Relatively sturdy and incredibly easy to use
Thickened PCB Board, Robust and Durable
These RJ45 couplers are metallic shielded
Supports POE applications over Ethernet patch cables
Please Note
This 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.
Package Contents
5 x RJ45 Coupler

❤️RJ45 coupler use to connecting two male ethernet cables together and extend the length of ethernet cable
❤️These RJ45 Coupler meets Category 6 performance, TIA/EIA 568-C.2 Verified, FCC, RoHS Compliant
❤️Fast Speed: The Ethernet coupler can speed up to 10 gigabite for connecting ethernet cable
❤️This 8P8C female to female ethernet coupler jack is compatible with Cat6 Cat5e, Cat5 network cable
❤️These RJ45 couplers are metallic shielded to prevent electrical interference. Plug and play, work perfectly