Pop open a WiFi scanner sometime. Unless you're living way out in the country, the 2.4GHz spectrum will be pretty much full. Everyone has a 2.4GHz router and yo

Pop open a WiFi scanner sometime. Unless you're living way out in the country, the 2.4GHz spectrum will be pretty much full. Everyone has a 2.4GHz router and you're likely to get a lot of interference. Really it's the same reason computers moved to 5GHz, and now 6GHz.