1 - End Device Activation
This book covers LoRaWAN® end-device activation in depth.
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Over-the-Air Activation (OTAA) Device Provisioning
OTAA is the most secure method of connecting to the network server. In this section we explain the OTAA process in full, as shown in Figure 1, from setting the initial keys through the join procedure and sending the first message.

Figure 1: Sequence diagram showing the transfer of data between device owner, end device, and network server