How to use This lan cable splitter is lossless extension, plug and playFeatures Metal shielding layerThicken PBC boardGold-plated pinLossless expansionSpecifications -Type: Dual Ethernet connector-Interface: Rj45-Color: BlackTerminal Standard: T568A / T568BPackaging Ethernet Cord Splitter X 2 PackReminders If you connect to two devices, you need to use dual ethernet splitter to connect. If only one cat6 splitter 1 to 2 adapter is used, the two devices cannot go online at the same time.