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
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Refurbished: Motorola MG7550 DOCSIS 3.0 Cable Modem plus AC1900 Wi-Fi Router 686 Mbps Comcast Xfinity Time Warner Cable | Fast Server Corp. www.srvfast.com