USE INTERNET IN TWO PLACES: This RJ45 Splitter Connector Coupler converts and increases your network cable connection from 1 to 2 outlets, then you can use your computer or laptop in two rooms or places. Extend short cables: It can easily handle connection Anti-interference: metal shield layer both firm, fixed RJ45 interface, shielding the outside world EML, RFI and other electromagnetic interference to prevent damage to the network signal shortage. More stable transmission: eight-core gold-plated pin core. With gold-plated pin core, the transmission signal is more stable, and the contact and transmission performance is superior to ensure the signal transmission. Note: Can't run at the same time: TMhis is not a router, two devices can't access the internet at the same time. This is just a splitter