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
How to Hook Up Internet: Learn All the Steps to Get Online
Motorola MG7550 (16x4) Cable Modem + AC1900 Wi-Fi Router Combo, DOCSIS 3.0 , Certified for XFINITY by Comcast, Time Warner, Spectrum, Cox, & more - Walmart.com
ARRIS SURFboard 16x4 Cable Modem / AC1600 Dual-Band WiFi Router. Approved for XFINITY Comcast, Cox, Charter and most other Cable Internet providers for plans up to 300 Mbps. - Walmart.com
MOTOROLA MG7315 (8x4) Cable Modem + N450 WiFi Router Combo, DOCSIS 3.0 | Certified by Comcast XFINITY, Charter Spectrum, Time Warner, BrightHouse, Cox and more | 343 Mbps Max Speed - Walmart.com
wireless networking - How to connect a wifi router to a cable modem router? - Super User