# ADR problems - node of the same type have different ADR behaviour

**URL:** <https://www.thethingsnetwork.org/forum/t/adr-problems-node-of-the-same-type-have-different-adr-behaviour/22825>\
**Category:** v2 Backend\
**Created:** [February 17, 2019, 8:58am UTC](https://www.thethingsnetwork.org/forum/t/adr-problems-node-of-the-same-type-have-different-adr-behaviour/22825 "2019-02-17T08:58:38Z")\
**Posts on this page:** 1\
**Showing post:** 22

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**Author:** ![kersing](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/kersing/32/44777_2.png) [@kersing](https://www.thethingsnetwork.org/forum/u/kersing)\
**Post date:** [February 23, 2019, 3:38pm UTC](https://www.thethingsnetwork.org/forum/t/adr-problems-node-of-the-same-type-have-different-adr-behaviour/22825/22 "2019-02-23T15:38:18Z")

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> [@gigi130358](#):
>
> normal this behaviour in your opinion

Please search the forum for [rn2483 and SF12](https://www.thethingsnetwork.org/forum/t/denied-when-using-otaa/13235/2) and take a look at the discussions regarding the use of RX2.

With regards to the failing joins at SF11 and SF12, check [this forum message and the ones below.](https://www.thethingsnetwork.org/forum/t/join-not-accepted-denied-with-sodaq-explorer/21566/14)

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