Your router and modem are two separate devices that work together to get internet into your home and spread it to your devices. Many people think they're the same thing or use the names interchangeably, but they do different jobs. Understanding what each one does helps you troubleshoot connection problems, choose the right equipment, and know when you actually need to replace one or both.
These articles explain how modems connect to your internet service provider, how routers create your home network, and why having both matters for your setup. You'll learn what to look for when shopping for either device, how to tell them apart, and what happens when one stops working properly.