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From the article: > We also found electronics stores that carry high- power ultrasonic jammers that cause microphones to malfunction
by jonny_eh 5y ago
From the article:
> We also found electronics stores that carry high- power ultrasonic jammers that cause microphones to malfunction
- gricardo99 5y agoand: If a signal from that caliber jammer were to combine with a second ultrasonic source, audible by-products could result.