Netgear Orbi RBS850 satellite is an add-on unit for RBK852 and RBK853 router. You need to connect the satellite to the router using the Orbi app or with the help of the Orbi Sync button and improve the WiFi range. But, if this connection fails, you will have to reset Orbi RBS850 satellite. How to reset Orbi satellite? This blog will explain it very clearly. https://orbitloginnet.com/how-to-reset-orbi-rbs850-satellite/