A lot of confusion in the replies below. Here is an illustration of this point: Suppose you’ve saturated your communication bandwidth between two points, sendin

A lot of confusion in the replies below. Here is an illustration of this point: Suppose you’ve saturated your communication bandwidth between two points, sending bits through the entire 500 Thz spectrum. If you have a wired connection, you can lay another set of cables between these points and send more bits. With wireless, there is nothing more you can do. No amount of beam forming helps you.