Wifi isn't full-duplex you are probably thinking huh? Well this is why MIMO was created MIMO allows you to take multiple wave-forms and overlay them into a carrier signal as a result using signal processing you can take the sub-channels which are used by MIMO often OFDM (Othogonal Frequency division Multiplexing) splitting channels into multiple signals polarized in a specific direction. It also depends on band "fatness" normal 2.4Ghz channels are 20Mhz wide, which is why they refer to wifi-channels are "non-overlapping" whereas you can cheat this system by making a very wide wifi-channel I can create a 160Mhz wifi 2.RobotPoweredHome is reader-supported. When you buy through links on my blog, I may earn an affiliate commission. As an Amazon Associate, I earn from qualifying purchases. While I was working on the settings for my Netgear router after getting a new Xfinity internet connection, I saw a setting labeled 20/40 MHz Coexistence in the Wireless LAN section of the admin tool. I only saw this setting under the 2.4 GHz band I didn’t see anything of the sort under the 5 GHz band. I went online to learn more about what this setting does and if it helps my Wi-Fi get a little bit faster. I visited Netgear’s support pages and asked around on Netgear’s own and other third-party forums to do this.Īrmed with the information that I had, I set about to make this article so that it can help you know what the coexistence setting is and if its worth turning on. The 20/40 MHz Coexistence setting on Netgear router automatically assigns 20 or 40 MHz bandwidths to your devices by looking at how much interference is around the router. Read on to know when to turn this setting on and what this setting does to your Wi-Fi router. You will also see me talk about when you should upgrade to 5 GHz Wi-Fi.
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