What's the Difference Between a Router and a Modem?

Chris Holmes Staff Writer

Updated 31 May 2019

When it comes to getting online, there are a few pieces of equipment involved—and if the all sound the same to you, you're not alone. Let's quickly run through the two basic pieces of internet equipment—a modem and a router—and how they differ.

Router vs Modem: What Do They Do?

Most of the time your modem and router come separately, but some companies combine the functionality of each device into one machine now, too. Regardless, in simple terms, here's a quick explanation of what they do.

Modem

A modem connects to your internet source (cable, fiber, DSL, or satellite) and translates it into data that your devices can use. While you can technically plug your computer directly into your modem to get connected to the internet, most people prefer to connect multiple devices wirelessly. So if you want to connect your devices to the internet via WiFi, you will need a router.

Router

A router communicates with your modem and repackages its digital data so that all of your devices can use it wirelessly, via WiFi. Since the modem and router work hand in hand, many manufacturers have begun to combine the machines into one—but not always.

Router and Modem Tips

Follow some simple tips and tricks to get the most out of your modem and router.

Keep your modem and router in a central location
Raise your devices up, off the ground
Ensure that they are placed in an open area
Add a WiFi booster/extender if you have an especially large home or brick walls
To learn more, read our guide on routers

Chris Holmes

Staff Writer

Chris Holmes is a Contributing Writer for WhistleOut, where he covers the cell phone and internet industries. His work has been cited in publications like The Verge, The New York Times, and WIRED.

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