10Gbps Super Speed: The speed of the UGREEN RJ45 coupler is up to 10Gbps, downward compatible with 1000Mbps/ 100Mbps/ 10Mbps. Larger downloads, maximum velocity,and no more interruption 328ft Effectively Extend: UGREEN ethernet extender is ideal for extending ethernet connection, and support up to 328ft long-distance transmission. Wire the house flexibly and smartly. Never worry about the network cable is not long enough anymore Stable and Secure: With gold-plated copper contacts and an easy snap-in retaining clip, the RJ45 ethernet extender ensures a steady signal transmission, superior contact, and transmission performance Universal Compatibility: This female to female ethernet coupler jack is compatible with Cat8, Cat7, Cat6A, Cat6, Cat5e, Cat5 network Durable Aluminum Alloy Design: With smooth aluminum shell, the ethernet connector is sleek, durable and portable, and also better for heat dissipation