A new Wi-Fi 7 router can expose old smart-home limitations. Learn how 2.4 GHz setup, WPA3 compatibility, band steering and network isolation affect older bulbs, plugs, cameras and speakers—and how to reconnect them without weakening the entire network.

Wi-Fi 8 is coming, but it is not a router category most buyers should wait for. Here is what Wi-Fi 8 means, how it compares to Wi-Fi 7, and the smarter upgrade path for home networks today.