A modem connects your home to the internet, while a router creates a network within your home, allowing multiple devices to connect. The question is: Do you need both? In this article, we'll explain what modems and routers do, their differences, and how to choose the best setup for your home or office internet.. The difference between a modem and a router is simple: A modem physically connects your home to your ISP; A router creates your home network to bring an internet connection to your devices; Knowing more about how your modem and router work and interact with your internet-capable devices can save you money, time and frustration.
Separate modem and router. If you opt for a separate modem and router, you'll get a more secure connection than a modem alone can offer. You'll be able to connect a variety of devices, and if the router is wireless, you can do so without cables. The router should also offer more security features than a standalone modem would.. Using 2-in-1 Modems/Routers . Modems and routers don't need to be separate physical devices. Some modems support built-in routing capability. The benefits are that a single device takes up a single power outlet, and you only need to learn how to use one interface to configure and manage your home network.