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
netgear adsl modem router combo wifi - Best Buy
Modem, Router, Switch, and Access Point: What's the Difference? | PCMag