What Is the Difference Between a Router and a Modem? - The Plug - HelloTech
Using a router to block a modem | Computerworld
Modem vs. Router: What's the Difference? | Wirecutter
How to choose the right cable modem | Tom's Guide
Shopping for a cable modem? Read this first! - CNET
Mobile broadband modem - Wikipedia
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
Should You Rent or Buy Your Modem and Router? | BroadbandNow.com