Duttek RJ45 Female Coupler for Ethernet Cat 5/ CAT 6 LAN Ethernet Cable Extender Straight Modular Inline Coupler Heavy duty Cat6 RJ45 couplers extend the connection between two Ethernet patch cables RJ45 Female to Female Straight through Connector. Up to Cat 6 Gigabit rated (unshielded) - can be used for Cat 5 Gold plated contacts ensure a corrosion free connection This 8P8C female to female Ethernet coupler is backwards compatible with Cat5e network Meets Cat 5/ CAT 6 performance requirement