The RJ45 Coupler 5-Pack is a convenient solution for multiple installations. Connect two RJ45-terminated cables to extend a network connection. The Cat 6 Coupler supports 10Gbps, 1Gbps, and 10/100 Ethernet speeds and is backward compatible with Cat 5/5e cables. The female to female Ethernet coupler maintains optimal signal integrity while achieving low insertion loss that exceeds industry standards. The RJ45 Coupler features a durable polycarbonate housing and gold-plated phosphor bronze RJ45 contacts for dependable, long-lasting reliability and performance.