The modem/router combos are known to be lower quality. ie not as fast, lower range, etc. I definitely wouldn’t use it long term. But if you run an Ethernet cable from the lan port of the new modem to the lan port of the old one you should be able to use it.

Jan 28, 2019 Modem vs. Router: How Do They Differ? - Lifewire Apr 09, 2020 Extend Wi-Fi Network Using Old Router as Repeater Getting the Wi-Fi Details from the Main Router: The very first thing you need to do is find out the …

Product Title NETGEAR AC1900 (24x8) WiFi Cable Modem Router C7000, Average rating: 4.8 out of 5 stars, based on 2211 reviews 2211 ratings Current Price $168.77 $ 168 . 77 List Price $209.99 $ 209 . 99

Aug 26, 2019 How to use your own modem and router with Comcast Oct 11, 2017

What’s the Difference Between a Modem and a Router?

Apr 09, 2020 Extend Wi-Fi Network Using Old Router as Repeater Getting the Wi-Fi Details from the Main Router: The very first thing you need to do is find out the … How to Get the Best Cable Modem: Buy or Rent From Your ISP? Aug 09, 2019 Modem vs Router: What's the Difference? | XFINITY The router manages all the information going to and from each device and the modem and makes sure it all ends up safely in the right spot. However, a router doesn’t need to connect to a modem to function. You can choose to create a LAN without Internet access. Simply put, your router: Assigns a local IP address to each device on the network