Jim Rossman / TNS This week, a reader writes, "I’ve had AT&T internet service for quite some time and still have the original router and modem. Should I upgrade for security and performance reasons?

This week, a reader writes, “I’ve had AT&T internet service for quite some time and still have the original router and modem. Should I upgrade for security and performance reasons? Should I ask AT&T ...

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When you use the internet, you’re likely using both a modem and a router. But what are they, and how do they work together? In short, the modem is the doorway to the internet, while the router directs ...

Modem, Router, Switch, and Access Point: What's the Difference? What is a modem? What is a router? Do you know a switch from a hub? If you don't know the difference between all the devices that help ...

This week, a reader writes, “I’ve had AT&T internet service for quite some time and still have the original router and modem. Should I upgrade for security and performance reasons? Should I ask AT&T ...

Are you confused about the difference between a router and a modem? You’re not alone. Many people use these terms interchangeably, but they are actually two distinct devices with different functions.

When you sign a contract with an internet provider, they'll typically send you a modem and a router in the mail. But which is which? And how are they different? A modem and a router work in tandem ...