You must have experienced it. You got a new (possibly expensive) router or Wi-Fi system, but it failed to meet your expectations for performance or coverage. Over the years, I’ve received plenty of ...

Wi-Fi is just invisible waves bouncing between your device and your router, carrying the internet wherever you go. But how exactly does Wi-Fi send the internet through the air? Let’s break it down in ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...