Linksys Official Support - Encountering intermittent wired connection using a Cable Modem
Wired Wireless Over Coax | Hackaday
ARRIS SURFboard 16x4 Cable Modem / AC1600 Dual-Band WiFi Router. Approved for XFINITY Comcast, Cox, Charter and most other Cable Internet providers for plans up to 300 Mbps. - Walmart.com
Coaxial Cable Eoc Modems WiFi Router for Cable TV and Internet/IPTV Eoc Slave WiFi