The extender picks up the signal from your main router and rebroadcasts it, thereby extending the Wi-Fi range. There are a couple of ways to set up your old router as a Wi-Fi extender.

You can turn your old Wi-Fi router into a useful device that will improve connectivity across your home, and you don't need to be super tech-savvy.

It's an easy way to reuse old tech that's gathering dust instead of condemning it to eternity in a landfill. A Wi-Fi extender works by sitting roughly halfway between your primary router and the ...