One of the first thing you learn in telecommunication is that frequencies are one of the most precious resources on the planet. There are only very few of thos

One of the first thing you learn in telecommunication is that frequencies are one of the most precious resources on the planet. There are only very few of those, you can't make more of it, you can't share one, if two things try to use the same they are both broken. By the way, there are free bands available to the general public for free use.