Is 20 MHz bandwidth good?

If you’re using 2.4 GHz, the answer is simple. The best bandwidth for 2.4 Ghz is 20 MHz . In the majority of cases, using wide widths on 2.4 GHz isn’t worthwhile. The performance tradeoffs from interference on overlapping channels will likely outweigh the throughput benefits.1 Tem 2019

Basically, bandwidth means how “wide” your broadcasting channel will be . 2.4Ghz networks have two options: 20MHz (the ‘normal’ bandwidth) and 40MHz (doubled).

Computers (Wi-Fi) Release date802.11 versionMaximum possible speed2020–present802.11ax (Wi-Fi 6)700 Mbps2013–present802.11ac195 Mbps–585 Mbps2011–2012802.11n180 Mbps–270 Mbps2007–2010802.11n90 Mbps–180 MbpsMaximum internet speeds on Google Fiber support.google.com › fiber › answer