Practice question

Which statement about RADAR frequency bands used by automotive ADAS is most accurate?

  1. Automotive RADAR operates at audible sound frequencies
  2. RADAR uses the AM radio band
  3. RADAR uses visible light wavelengths
  4. Automotive RADAR commonly operates in microwave bands around 24 GHz or 76-81 GHz

Answer: D — Automotive RADAR commonly operates in microwave bands around 24 GHz or 76-81 GHz

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