A good starter set of mesh routers is this 2-pack of TP-Link Deco M5 which can cover an impressive 3,800 square feet and is great if you have a plan that can reach up to 450Mbps. Even better ...

On most cheap (or old) routers, you have to create two separate network names, such as “mynetwork2.4” and “mynetwork5,” and then decide which of your devices should join which network.

At $160, it's not exactly cheap -- read on for more budget-friendly options -- but it outperformed much pricier routers in our tests. The best fit for your network depends on a few factors ...