The Orbi RBR20 is a mesh router, which connects to the home network via cable. Yes, you can also add-on the satellites into your router network without using any wire or cable. Here, you will get to know how to complete the Orbi router setup (Orbi RBR20 setup) with ease. https://orbi-mesh.com/netgear-orbi-rbr20-setup-connection-and-configuration/