The spectrum SpaceX is buying could let it beam full 5G service from space to cell phones. But that depends on it launching ...

Over two decades, Viettel grew from a state telco into a tech powerhouse that makes everything from 5G chips to robots to ...

The Wi-Fi bands your router uses affect your speeds, but it's pretty easy to switch between channels. Most routers come with 2.4Ghz or 5GHz channels -- you can think of those channels as the highway ...

It feels like there's always been an Apple Watch, but even more than a decade after it was announced, it's also still a ...