Add Yahoo as a preferred source to see more of our stories on Google. Natalie Bodrova / iStock / Getty Images As its name suggests, a Wi-Fi extender rebroadcasts an existing Wi-Fi signal. It connects ...

Turn a spare router into a Wi-Fi repeater or access point to boost weak internet areas in your home Reviewed by Lisa Mildon You can use an old router to make your Wi-Fi reach more places in your home.

You may also consider buying a mesh Wi-Fi system like the Netgear Orbi, so check out our top picks for mesh Wi-Fi routers, too. A mesh system could be more expensive in terms of total costs, but they ...