this post was submitted on 13 Nov 2023
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Home Networking
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Note that widening the channel may or may NOT increase 5Ghz wifi throughput.
A couple of reasons that I know of:
- at that "center" channel 62 any widening would overlap the very busy looking 44 next door, i.e. increase in interference..
- many client device's can't use 40 or 80Ghz-width 5Ghz channels anyway.
802.11n and newer devices can use 40mhz channels. That technology came out over a decade ago.
On channels wider than 20, All management and control frames use a designated primary 20mhz wide channel within the wider channel to provide backwards compatibility with legacy clients.