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milandc's avatar
milandc
Aspirant
Apr 05, 2017
Solved

20/40 coexistance

Can somebody please explain me what exactly is happening when "20/40 ceoxistence" is sheched, and when it is not? If it is unchecked, is that means that only 20mhz works, or only 40mhz?
  • TheEther's avatar
    TheEther
    Apr 06, 2017

    Just leave the option checked.  The router will conform to Wi-Fi standards.  Besides, iPhones will always insist on using 20 MHz, so the router will comply.  You can use Wi-Fi Analyzer for Android or Acrylic Wi-Fi for PC.  I'm sure there are other programs.