What is the difference between 2.4Ghz vs 5Ghz?

Often when connecting to a Wi-Fi network you see 2.4Ghz or 5Ghz listed. The 2.4Ghz and 5Ghz are different radio frequencies in Wi-Fi. The 2.4Ghz  is typically a longer radio frequency that can cover a larger area reaching through walls and ceilings. However, it is...