you don't have to completely jam them, just cause enough interference so it will be impossible to complete transport. and also planetwide isn't necessary, if you end up 200km from anywhere useful (and on foot) beaming over is little use
I did mention vehicles....
essentially what it does is taking a body apart and reassemble it like it was previously.
that sounds an awful lot like killing & rebuilding to me . And if we do have a soul, i am pretty certain that after been reassembled any body - soul connection will be gone.
This is to me like supposedly harmful cellphones. Wrong until proven by science.