A downlink for an end device, to send in its relay window.
How long it holds the air, in microseconds.
Where it goes, and how fast.
The frame to send.
Its LoRa settings, sent with inverted IQ and a payload CRC.
The power to ask of the radio, conducted, in dBm.
When to start sending it, in microseconds.
A downlink for an end device, to send in its relay window.