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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
Best Buy: NETGEAR Nighthawk 32 x 8 DOCSIS 3.1 Voice Cable Modem, Voice support Black CM1150V-100NAS
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
ARRIS SURFboard (24x8) DOCSIS 3.0 Cable Modem / AC1750 Dual-Band Router / XFINITY Voice. Approved for XFINITY Comcast Only for plans up to 600 Mbps. (SVG2482AC) - Walmart.com
MOTOROLA MT7711 WiFi 5 24 in. X 8 in. 840Mbps Cable Modem with 2 Phone Lines for Xfinity AC1900 Router Combo MT7711-10S - The Home Depot
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
SURFboard T25 DOCSIS 3.1 eMTA Cable Modem Telephony Wireless Internet