Ugreen RJ45 Female to Female Network Jack In-Line Coupler extend the length of a Ethernet patch cable. Pure copper plated tentacles ensure strong signal transmission and high-speed performance. Constructed of high-impact, fire-retardant plastic and nickel plated, these couplers meet or exceed Category 6 performance in compliance with the TIA/EIA 568-C.2 standard. 1. Connectors: RJ45 8P8C, Nickel Plating; 2. TIA/EIA 568-C.2 Verified; 3. RoHS compliant. Package Contents: Ugreen RJ45 Female to Female Network Jack In-Line Coupler x2.