The magnetic pulser is a simple DC pulse. It charges up a 600 uF capacitor up to about 345 volts and then quickly releases it into the coil. This creates an intense magnetic field for a very short time. which induces a slight current through any conductor (water in the body) killing or disabling pathogens similar to a Blood Cleanser device. It isn't designed to output frequencies.
The North side is what you use to suppress pathogens. The south could have stimulating healing effects.
The biotuner stimulates the brain with a slight current. It is used for Depression and other mental issues. CES