Ethernet RJ45 adapter - Shielded In-Line Coupler for Cat7/Cat6/Cat5e/cat5 Ethernet Cable Extender connector - Female to Female, Black - 5 Pack Use this adapter couple two RJ-45 ethernet cables together RJ-45 (Cat7/CAT6/CAT5 connectors) on each end Gold plated contacts ensure a corrosion free connection Heavy duty RJ45 couplers extend the connection between two Ethernet patch cables ROHS compliant,1 year Your Cable Store warranty