Comment Re:Too many eggs in one basket (Score 1) 74
If you stick one of those in your home PC, it's sort of a upgrade to recycle bin anyway. Write once, never read, except you could if you really needed to.
I think KUKA knows robot safety well enough and even they have this https://www.kuka.com/en-de/ind...
It's not that high band signal stops working at some small distance, it very much doesn't. The problem is visibility, high frequencies are more easily blocked and scattered by obstacles that are not much of a concern for lower frequencies and that makes effective range for ground based communications very limited. But it's not an issue when you have direct line of sight.
//GO.SYSIN DD *, DOODAH, DOODAH