?Every NICGIGA Ethernet Splitter is rigorously tested for reliability, quality and performance. We provide a one-year warranty and lifetime technical support for the entire product. Plug and Play ? Directly plug in the network cable connection, and two devices can access the internet at the same time. Plug and play does not require configuration, and there will be no crosstalk between the signal transmission of the two cable groups. (Note: USB 5V powered, cannot be used without connection). Widely Compatibiliti? RJ45 LAN Ethernet Port Splitter connector extender is compatible with Cat8 Cat7 Cat6 Cat5 Cat5e network ethernet cable and can be compatible with ADSL, hubs, switch, TV, set-top box, router, wireless device, computer, etc. To ensure network stability, it is recommended to use Cat6 network cables. Gigabit Transmission Rate? Transmits up to 1000 Mbps. signals from the two output network ports do not interfere with each other. Therefore, it is ideal for those who need to transfer large amounts of data quickly and efficiently. Note: This speed data is the maximum value for the chipset, and the actual speed depends on the connected device. Ethernet Splitter 1 To 2? Expand 1 network port to 2 network ports by physical tap. Supports two network devices to share one Ethernet line at the same time.