20mhz VS 40mhz , Who's best wireless channel width in 2.4ghz @LifeWithAamir

Assalamualaikum friends @LifeWithAamir In this video discuss about 2.4ghz wireless channel width, who's best in 20mhz or 40mhz ? @LifeWithAamir For more videos kindly Subscribe my Channel @LifeWithAamir