4 ms·

I wonder if that's feasible in a room filled with many servers and fans going?

• runjake 11mo ago
  Yes, just modulate the fan noise on the transmitter, and apply a filter on the receiver.
  • faidit 11mo ago
    Doesn't being able to modulate the fan presume you already control the target device?
    • alextingle 11mo ago
      It's possible to get malware onto even air-gapped machines. This is a way to then communicate across the air-gap.