ARRIS Surfboard (24x8) DOCSIS 3.0 Cable Modem Plus AC1750 Dual Band Wi-Fi Router and Xfinity Telephone, 1 Gbps Max Speed, Certified for Comcast Xfinity Only (SVG2482AC) - Walmart.com
Amazon.com: ARRIS Touchstone TM822G Internet & Voice Modem for XFINITY from Comcast : Electronics