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How to transmit LoRaWAN packets on single frequency in STM32WL?

Estej.1
Associate

‎2021-11-27 11:01 PM

Hi

 I'm designing a LoRaWAN end node based on RAK3172 and LoRaWAN_End_Node example. The frequency band is 868 MHz but i want to transmit on single frequency for example 868500000 Hz.

 I read the example but I don't know how to send packets only on single frequency. How can I do that?

Thanks.

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Peter BENSCH
ST Employee

‎2021-11-29 01:37 AM

Welcome, @Estej.1​, to the community!

LoRa not only uses a specific, given frequency for transmission, but a spread spectrum method. Maybe it would be helpful to have a look at the information from e.g. Wikipedia: LoRa/LoRaWAN or Chirp Spread Spectrum.

Regards

/Peter

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Tesla DeLorean
Guru

‎2021-11-29 05:55 PM

Are you sure you want LoRaWAN and not LoRaP2P ?

Perhaps grep the source for "_REGION" and sources under Middleware/LoRaWAN/Mac/Region

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