RJ45 Coupler RJ45 Female to Female Network Jack In-Line Coupler extend the length of a Ethernet patch cable. More cost-effective and time-saving than swapping-out short cables for longer ones, Ethernet Cable Coupler is remarkably less expensive and snaps into place in seconds to keep data flowing. Network coupler build with pure copper plated tentacles which can reduce the connections / disconnections to provide port protection.ABS material shell, flame retardant and durable. These couplers meet or exceed Category 7 performance in compliance with the TIA/EIA 568-C.2 standard. RoHS compliant; Stable connection and durable; Network Speed: up to 10 Gbps; Package Contents: 10 x RJ45 Coupler