How do iBeacon and BLE technology work together?

When broadcasting iBeacon, an advertising packet consists of four main components.

  1. UUID(Universally Unique Identifier): The UUID contains 32 hexadecimal digits, split into 5 groups.
  2. Major: This is a 2 byte string used to identify a smaller subset of beacons within a larger group
  3. Minor: This is a 2 byte string that identifies individual beacons.
  4. Tx Power: This is used to determine the proximity in which the beacon can broadcast.

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