Since it snowed today here in Boise, I was stuck inside with nothing to do but fiddle and experiment with the new Equinox.  I was able to do a basic spectral analysis of my Equinox 800 to try to see what frequencies it uses.  I got some very interesting results.  Bear in mind that this only measures all frequency outputs and does not measure if they are being "fired" in rapid sequence.  An oscilloscope (something I don't have anymore) would be required to make that measurement.   Here is a