ARRIS SURFboard DOCSIS 3.0 Cable Modem / N600 Wi-Fi Dual-Band Router. Approved for XFINITY Comcast, Cox, Charter and most other Cable Internet providers for plans up to 150 Mbps.(SBG6580) - Walmart.com
Comcast launches Wi-Fi 6 gateway, makes xFi Advanced Cybersecurity free - The Verge
Motorola MB7621 Cable Modem + AC2600 Smart Wi-Fi Router with Extended Range | Approved for Comcast Xfinity, Charter Spectrum, and Cox Separate Modem and Router Bundle - Walmart.com
ANSWERED: Comcast Modem Wireless Gateway Device/Feature Comparison | Xfinity Community Forum
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