This is the best summary I could come up with:
If you’re not happy about the idea of replacing all of your devices for the promise of a stable network, the good news is that Wi-Fi 7 will still work fine with your older stuff.
One of the big bottlenecks with wireless transmission is airtime — if the router is too busy talking to one or more devices (depending on the standard being used), then others vying for attention have to wait for it to finish.
Wi-Fi 7 basically ignores the interference and puts the rest of the data on the clear bits, like a river going around a rock and meeting back on the other side.
According to Asus’ website, a Wi-Fi 7 mesh system would, through MLO, be able to “switch freely between bands,” leading to no apparent connection loss.
The ability to connect to multiple bands at once combined with fancy signal modulation means there may be fewer occasions when your devices are waiting in line for other requests on your network to process.
That’s especially true because, as I write this, the Wi-Fi 7 standard hasn’t yet been adopted by the Institute of Electrical and Electronics Engineers (IEEE), so routers available before then could be missing key features or optimizations.
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