Originally Posted by EPOCH6

Allows one cellular carrier to break up their composite signal into its 6 individual bands and feed it into another carrier's existing system. It's for an indoor cellular system in Quebec. There are no active electronics in there, just a bunch of very precisely manufactured resonant cavities, signal plumbing, and yet they sell for around $5000 each.

Originally Posted by J.R.R. Tolkien

There is only one bright spot and that is the growing habit of disgruntled men of dynamiting factories and power-stations; I hope that, encouraged now as ‘patriotism’, may remain a habit! But it won’t do any good, if it is not universal.