9 years, 10 months ago.

Is there any way to select DR4?

Is there any way to select DR4 for uplink (SF8 / 500 KHz)? It's defined in section 7.2 of the LoRaWAN specification.

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9 years, 10 months ago.

With AT Command firmware you can use AT+SENDH. In library set the highBW flag to true in your send call.

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