Any indication of what frequencies are at play here? A regular ultrasound baby monitor is set at either 3Mhz or 2Mhz scan frequency and those have already been

Any indication of what frequencies are at play here? A regular ultrasound baby monitor is set at either 3Mhz or 2Mhz scan frequency and those have already been shown to induce stimulating effect when used on the head/brain afaicr.