Jadaol Ethernet Cable in-line Shielded RJ45 Coupler, Female to Female - 2 Pack White adapter could 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