If you must use their services at least don't pay for their modem rentals. This is a 3.1 DOCSIS which is what you need to for max speed from Comcast. The item "Motorola MG8702 DOCSIS 3.1 Cable Modem Plus WiFi Router AC3200" is in sale since Sunday, February 7, 2021. This item is in the category "Computers/Tablets & Networking\Home Networking & Connectivity\Modems".
The seller is "msosa01" and is located in Newark, Delaware. This item can be shipped worldwide.