MOTOROLA MT7711 24X8 Cable Modem/Router with Two Phone Ports, DOCSIS 3.0 Modem, and AC1900 Dual Band WiFi Gigabit Router, for Comcast XFINITY Internet and Voice - Newegg.com
Cable modem - Wikipedia
Motorola MT8733 WiFi 6 Router + Multi-Gig Cable Modem + 2 Phone Ports | for Comcast Xfinity Voice and Gigabit Internet Plans Up to 2500 Mbps | AX6000 | DOCSIS 3.1 | with Smart Motosync App - Walmart.com
Amazon.com: NETGEAR Nighthawk Xfinity Modem with Voice (CM2050V) Cable Modem DOCSIS 3.1 Gigabit, Supports Cable Plans Up to 2.5 Gbps, 2 Phone Lines