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ARRIS SURFboard (16x4) DOCSIS 3.0 Cable Modem. Approved for XFINITY Comcast, Cox, Charter and Most Other Cable Internet Providers for Plans up to 400 Mbps. - Walmart.com
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Amazon.com: Arris Touchstone TM1602A DOCSIS 3.0 Upgradeable 16x4 Telephony Modem for TWC & OPTIMUM : Electronics
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