Effective ExpansionThis female-to-female RJ45 coupler is helpful for connecting 2 short network cables together to extend the ethernet cable length. Plug and play , No driver required. High Speed Data Transmission:This ethernet cable extender has 8 core pure copper gold-plated tentacles and premium ABS meterial which is resistant to high or low temperature ensure strong signal and fast data transmission, and full-metal shielding protective layer reduces signal interference. Safe and Durable: The contact area of the plug has been nickel-plateds treated and tested, which can withstand 10,000+ times of plugging and unplugging, keeping the corrosion-free connection stable and reliable Widely Compatible: RJ45 ethernet coupler compatible with cat7,cat6 cat5e cat5 network cable , and the RJ45 inline jack meet Category 6 performance in compliance with the TIA/EIA 568-C.2 standard Perfect Service.ANPKEC provides in 24-month supreme warranty service, at any time if you have a