Join spreading factor

[Michael]

I have not been able to find this described. I don’t know if it’s a LoRa thing or a Multitech thing but…

If I setup an mDot as SF9, and tell it join, can the mDot decide to use SF10 to do the join?

I’ve been experimenting with various spreading factors and sometimes it appears the same SF is used to start the join, other times it seems to be a different SF.

Thanks.
Mike

[Michael]

I seem to recall now seeing something that indicated the mDot might “join” using some random SF, but then subsequent messages would be sent at the user-specified SF.

I cannot find this now… can someone point to it?
Is it a Multitech thing or a LoRaWAN thing?

Thanks

[Author]

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