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Chapter 19

Wireless technologies

6 min read9 sections
In this chapter · 9 sections
  1. Comparison (typical values, open space)
  2. WiFi
  3. Bluetooth Classic vs BLE
  4. ESP-NOW
  5. Zigbee, Thread and Matter
  6. LoRa and LoRaWAN
  7. Cellular: GSM, 4G and NB-IoT
  8. Infrared remote control
  9. Choosing a wireless technology

The right radio depends on three things: range, data rate and battery life.

The right radio depends on three things: range, data rate and battery life. You can rarely have all three, so WiFi gives speed, BLE gives low power near a phone, LoRa gives kilometres, and cellular gives coverage anywhere.

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