10Gbps Super Speed: The speed of the LEKVKM RJ45 coupler is up to 10Gbps, downward compatible with 1000Mbps/ 100Mbps/ 10Mbps. Larger downloads, maximum velocity Effectively Extend: LEKVKM ethernet extender is ideal for extending ethernet connection, and support up to 300ft long-distance transmission. Wire the house flexibly and smartly. Never worry about the network cable is not long enough anymore Stable and Safe: RJ45 Ethernet Extender adopts gold-plated copper contacts and simple snap-in fixing clips to ensure stable signal transmission, good contact and excellent transmission performance. Durable PVC Design: The Ethernet connector utilizes a smooth PVC housing for style, durability, portability, and better heat dissipation. Universal compatibility: Female-to-female Ethernet coupler jacks are compatible with Cat8, Cat7, Cat6A, Cat6, Cat5e, Cat5 networks.