# Strange problem: RFM95 + LMIC-Arduino, long JOIN delays and missing frames

**URL:** <https://www.thethingsnetwork.org/forum/t/strange-problem-rfm95-lmic-arduino-long-join-delays-and-missing-frames/15352>\
**Category:** LMIC\
**Created:** [June 27, 2018, 5:12am UTC](https://www.thethingsnetwork.org/forum/t/strange-problem-rfm95-lmic-arduino-long-join-delays-and-missing-frames/15352 "2018-06-27T05:12:28Z")\
**Posts on this page:** 1\
**Showing post:** 34

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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:** [July 5, 2018, 9:15pm UTC](https://www.thethingsnetwork.org/forum/t/strange-problem-rfm95-lmic-arduino-long-join-delays-and-missing-frames/15352/34 "2018-07-05T21:15:07Z")

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> [@tweil](#):
>
> I think the US902-928 Frequency plan listed frequency plan you mention is incomplete

Would you care to share what you think is missing? Your quote does not clarify your statement (for me).

BTW, as the listed plan is implemented and being used by several US based users with success I think it might be alright.

For LMIC frequency control you could take a look at this ancient message: [LMIC Node, dropped packets? - #9 by brandonbyrne](https://www.thethingsnetwork.org/forum/t/lmic-node-dropped-packets/4400/9)

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