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Excellent explanation of a whole range of radio concepts all in support of describing just how LoRa on 2.4 GHz can travel much farther than WiFi or Bluetooth on the same frequency.

Best 15 minutes you’ll spend this month.

  • Frequency
  • Penetration
  • Modulation including AN, FM, ASK, FSK, QAM
  • Noise and noise floor
  • Fourier Transform
  • Chirp and de-churp
  • RF circuit design
  • Diversity
  • Open source project
  • Drone control