The Virgin media router hub is known for WiFi that can connect with any smart home device easily. You can use its Virgin Media modem mode, if you want to connect it directly to the ISP server socket without any cable modem support. Here, you will get to know about how to solve a smart device not connecting to router problem. This is a technical issue that is Ring Doorbell not working ... https://vrgn-logn.com/how-to-solve-ring-doorbell-not-working-with-virgin-media-wifi/