If you have a 2.4GHz router, you need to upgrade - here's why

Older Wi-Fi routers may have speed limitations, but the more important factor affecting internet speeds is what band your ...
CNET

Your Router Is Probably in the Wrong Place. Here Are the 4 Tweaks to Fix Your Slow Internet

One type of electronic device to especially avoid is the microwave, which emits a strong signal in the 2.4GHz band, the same wireless band your router operates in. Be careful not to stick your router ...
Ars Technica

2.4GHz and 5GHz not talking to each other on dual band router

tldr: Devices connected to the 2.4GHz band can't talk to devices connected to the 5GHz band even when they are on the same subnet. Why? For background, I had always had separate SSIDs for 2.4GHz and ...