Features: The ethernet coupler help you connect 2 ethernet cable to extend the length. No driver are required, just insert two ethernet cables into the RJ45 to get a longer cable. The plugs and play design is flexible for use in a variety of scenarios Ethernet extended female to female speed up to 10Gbps, backward compatible for 1000Mbps/100Mbps, RJ45 Ethernet female to female connector networking connection most distance can reach 328feet. Do not worry about the networking cable not being long enough anymore; The RJ45 connector is small in size, easy to carry and store, and is very suitable for households and offices with limited space. It is compatible for various Ethernet cables, including Cat8 Cat7、Cat6A、Cat6、Cat5e、Cat5， Make it suitable for different networking setting. Specifications: Component:Metal Size:Approx.20.1x36.6x18.1mm/7.09x1.44x0.71in for Cat8,Cat7,Cat6A,Cat6,Cat5e,Cat5 Transmission Speed:10Gbps Package Includes: 1pc RJ45 Coupler note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.