We may receive a commission on purchases made from links. You know how this story goes. Every time technology promises to improve your life, your wi-fi network comes up a little short. You've stowed ...

So, you're happily streaming a TV show on your phone, but when you move to a different room, your Wi-Fi suddenly cuts out. This has been an age-old problem, especially in homes with a single router.

You can have a blazing-fast fibre line and still struggle with buffering, laggy Zoom calls, or “no signal” in the back bedroom. That’s because fibre is only the internet pipe coming into your home – ...