Why does a modem/router have both coax and Ethernet input lines? : r/HomeNetworking
NETGEAR Nighthawk CAX80 DOCSIS 3.1 Dual-Band AX6000 Cable Modem/WiFi Router Combo; 32 x 8 Bonded Channels; 6 Gbps Max Speed; - Micro Center
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