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?

Josh Hawkins has been writing about science, gaming, and tech culture for over a decade. He's a top-rated reviewer with extensive experience helping people find the best deals on tech and more.

Whether it's an older router you have lying around or the current one you're using, there are a lot of surprising features ...

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 ...

Boost your signal with these tips and upgrades.