I'm fairly sure they were speaking about the meaning of the word were their assertion is correct and makes sense. The urban legend part is "2.4 GHz is choosen b

I'm fairly sure they were speaking about the meaning of the word were their assertion is correct and makes sense. The urban legend part is "2.4 GHz is choosen because it's a resonance frequency" after all, not "2.4 GHz is what's used in microwave ovens".