Professional RJ45 Coupler RJ45 Coupler Extender for your TV, Router, PC, Network switch, Xbox, PlayStation. Durable Housing in Black With nickel-plated contacts and easy snap-in retaining clip, the coupler ensure a secure and corrosion free connection Adopt Advanced PCBA solution to gurrante the solution durability Universal Compatibility Compatible with Cat8/Cat7/Cat6/Cat5e/Cat5 cables Stable Connection No loss of signal quality, speed up to 10 gigabite for connecting Cat8/Cat7/Cat6/Cat5/Cat5e Ethernet cable . Great tools to extend the ethernet cable at home, in the office, with high speed gurrante, durality and reliability. Compact Design Product Dimension:1.6*0.8*0.8 inch. Easy to carry in the bag and convenience for wiring. NOTES If you have any questions about packaging and use, please contact customer service. We will provide you with the best quality after-sales service support. Package Contents 5-pack rj45 coupler female to female.