Amazon.com: 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 : Electronics
What is a Cable Modem?
Netgear Nighthawk DOCSIS 3.1 Cable Modem - 2.5Gbps CM2000100NAS - The Home Depot