No Wi-Fi in the attic? Or basement? A mesh router can help. WSJ's Joanna Stern and her miniature friends explain how the new Wi-Fi router systems work—and which is the best one to buy.

I'll be honest: The Eero 6 is ancient as far as routers go. It initially launched in 2020, and while it has some forward-looking capabilities like Wi-Fi 6 support and built-in Zigbee radios, it ...

This is an attractive little mesh router, but you can find better performance at a similar price if you shop around. With multiple devices relaying a stronger, more reliable signal from room to ...