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RFM69 frequency band for India - 865MHz #1185

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merged 1 commit into from
Aug 21, 2018

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jkandasa
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Fixes #1184

@tekka007
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@jkandasa Why not taking the center frequency as identifier, i.e. RFM69_866MHZ?

@jkandasa
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@tekka007 widely they call this band 865MHz(865~867MHz), but it is a starting frequency.
What is the bandwidth range for RFM69 from the center frequency(both side)?

@jkandasa
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@tekka007 if total bandwidth is less than 500KHz I can go with 865xxx000 frequency. I do not have any idea about RFM69 Maximum bandwidth.
Can you guide me?

@tekka007
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tekka007 commented Aug 21, 2018

@jkandasa According to http://www.hoperf.com/upload/rf/RFM69HW-V1.3.pdf Table 14 the maximum bandwith is 500kHz. The default MySensors RFM69 setting is 125kHz: https://github.com/mysensors/MySensors/blob/development/drivers/RFM69/new/RFM69_new.h#L211

@jkandasa
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@tekka007 Thank you! Now I have switched center frequency to 865.5 MHz.

@henrikekblad henrikekblad merged commit c8d951d into mysensors:development Aug 21, 2018
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3 participants