2.4 Ghz much slower than 5Ghz

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ervint2 wrote:

Router Lan and 5Ghz wifi is about the same as modem, but 2.4Ghz wifi I'm only getting 80-90+, never pass 100mbps.

As Qyooo says, 2.4 GHz is, as the name suggests, slower then 5 GHz.

These two bands trade off speed and range, with 5 GHz being faster but over a shorter range.

I chip in only to say that the speed of any wifi device depends on the wifi client. So some 2.4 GHz devices will be faster than others.

It might be worth a bit of background reading.

Understand Wi-Fi 4/5/6 (802.11 n/ac/ad/ax)

@duckware knows their stuff and can bust a few myths and cut through marketing hype.