Poyiccot CAT6 RJ45 Keystone Coupler, (2-Pack) RJ45 Connector CAT6 Female to Female Ethernet Adapter CAT 6/5e/5 Double Jack Ethernet Connector 8P8C Extender Network Cable Inline Modular, White

Exuun keystone Jack double female couplers
1.Gold plated contacts, corrosion resistant and enhance electrical conductivity
2.Capable of connecting two different types of cable (like cat5e cable and cat6 cable) through a RJ45 keystone coupler
3.Keystone Snap-in Cat.5e and Cat.6 couplers provide a neat solutions for home/office wiring problem
4.Good quality + Handy+ Low Price = You get what you paid for

NOTICE:
1.Couplers are always a potential weak point (all connections technically are), you'd better keep your cable lengths as short as possible, or it will slow down your LAN speed.
2.This coupler fits a keystone faceplate, patch panels, or surface mount boxes, but you need to pre-purchase a cat 5e/6 cable, keystone wall-plate plus an existing wall box.