[UL Listed] Cable Matters (5 Pack) RJ45 Shielded Cat6 Keystone Jack In-Line Couplers in Silver Heavy duty shielded Cat6 RJ45 couplers for patch panels or wall plates (face plates) with standard keystone ports Future-proof your network for 10-Gigabit Ethernet at a Cat5e price with this convenient and cost effective 5-pack keystone couplers for Ethernet Gold plated contacts and easy snap-in retaining clip ensure a secure and corrosion free connection This 8P8C female to female Ethernet coupler keystone jack is backwards compatible with Cat5e network Cat6 coupler is UL Listed (E486099) meets Category 6 performance in compliance with the TIA/EIA 568-C.2 standard