How to Find a Free Bandwidth in a Cell Phone

There's a whole body t a cognitive radio that was founded by david reed w as one of the inventors of t c p ip. You use phasde ray antennas, which are these tunibal antennas and soft where to find radios. Tital signals, tis part of the six g specification. Reali six this is what's in your phone right now. Realy don't hav you don't have a quartz crystal in your phone. You have saw ford, n s d r uf a. Soer col, super cool. And also, like, there's more stuff on the horizon. But foundationally, when you put something inside an insulated pipe