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
General FAQs: SBM1000: Installation with a Cable Modem
Amazon.com: C2G RJ11 Modem Cable For DSL Internet Connection, 15 foot long Ethernet Network Cable, 28722 : Electronics
Cable Modem Signal Levels revisited – Wolf Paulus
7ft (2.1m) RJ11 High Speed Internet Modem Cable | Modem, Phone and Ethernet Cables | Data Center | Networking