??????????????: The cat5 splitter can combine 2 cables into 1 (with 8-core network cables embedded within the wall) and then split it back into 2 Ethernet cables in another room. This allows two devices in different places to share the same network and saving your cost????????????????: The RJ45 splitter adapter casing is made of PVC. The contacts are made of copper with a galvanized finish providing excellent conductivity and transmission performance ensuring stable signal transmission over time????????????????????????????????????????????: The ethernet splitter 1 to 2 can shields against external EMI/RFI to prevent damage and electromagnetic interference ensuring no network signal loss and allowing for safe network use even during thunderstorms????????????????????????????????????: The LAN splitter adapter is compatible with Cat8 Cat7 Cat6 Cat5 and Cat5e Ethernet cables and can be used with ADSL hubs switches TVs set-top boxes routers wireless devices and computers??????????????????????????????: You will receive 2 pcs ethernet cable splitter capable of supporting two devices connecting to the network simultaneously.