The device address the network assigned.
The downlink settings byte, carrying the second receive window data rate and the first window offset.
The identifier of the network that accepted the join.
The delay from the end of an uplink to the first receive window, in microseconds, where a delay byte of zero means one second.
How far below the uplink's data rate the first receive window listens, the RX1DROffset of the downlink settings.
The data rate the second receive window listens at.
The delay byte before the first receive window, as it arrived.
The channel list the accept carried, or null when it carried none.
The activated session this join grants, with its keys already derived.
An accepted join: the network settings, and the session it grants.