fakeaccount572@alien.topB to Home Networking@selfhosted.forumEnglish · 10 months agoWhy is my 5GHz so narrow compared to other houses around? "Jellybean" in the centeralien.topimagemessage-square27fedilinkarrow-up15arrow-down10file-text
arrow-up15arrow-down1imageWhy is my 5GHz so narrow compared to other houses around? "Jellybean" in the centeralien.topfakeaccount572@alien.topB to Home Networking@selfhosted.forumEnglish · 10 months agomessage-square27fedilinkfile-text
minus-squareNews8000@alien.topBlinkfedilinkEnglisharrow-up1·10 months agoNote 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.
minus-squareBeginningExplorer63@alien.topBlinkfedilinkEnglisharrow-up1·10 months ago802.11n and newer devices can use 40mhz channels. That technology came out over a decade ago.
minus-squarelazyjk@alien.topBlinkfedilinkEnglisharrow-up1·10 months agoOn 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.
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.