Amazon.com: GE RJ11 High Speed Modem Cable, 14ft, 10x Faster than Standard Cable, Blue 35288 : Electronics
IPv6 behind ISP cable modem (router mode) - Network and Wireless Configuration - OpenWrt Forum
Basic Cable Modem Architecture
Ubiquiti Inc - Announcing #UniFi Cable Internet: A multi-gigabit, rack-mountable cable modem. Available now in the United States with support for Comcast Business, Comcast Xfinity (Residential), Charter Spectrum (Residential), and Cox (Residential).