Effectively Extend: By joining two short network cables, the UGREEN RJ45 coupler ethernet extender connector is perfect for extending an Ethernet connection. Never worry about the network cable is not long enough anymore. High Speed Transmission: This RJ45 coupler connector offers high-speed data transmission thanks to its pure copper-plated tentacles, stable signal transmission, excellent contact, and transmission performance. It can connect Cat7/Cat6 Ethernet cables at speeds of up to 1 gigabit. Safe and Secure: The Ethernet extender RJ45 coupler guarantees a safe and corrosion-free connection with its nickel-plated contacts and simple snap-in retaining clip. Worldwide Compatibility: This Ethernet coupler jack connects to females in Cat7, Cat6, Cat5e, and Cat5 networks. High Performance: In accordance with TIA/EIA regulations, this UGREEN RJ45 coupler satisfies Category 6 performance.