Orbi RBR50 satellite is a part of Orbi RBR50 router and it can be connected to the router through Sync button or an Ethernet cable. Generally, people face problems with Orbi RBR50 setup when they attempt to connect router and satellite wirelessly. This problem can be fixed by reducing the gap between devices. https://orbitloginnet.com/rbr50-satellite-disconnects-from-router-using-ethernet-port-fix/