You shouldn't use the magnitude of the received samples as RSSI.    The
magnitudes are generally in nondescript 'engineering units (dB)'.

If you want to calculate RSSI, Marcus Leech has posted a good solution a
few times in the past:

http://old.nabble.com/measuring-RSSI---N210-with-RFX2400-td31773654.html

Cheers,
Ben

On Sun, Jun 10, 2012 at 1:47 PM, Matthias Schäfer <m.schae...@koios.de>wrote:

> I've noticed that some dboards have RSSI sensors while others don't. Since
> I'm using a SBX (rev 3) which doesn't seem to have such a sensor, I'm
> wondering if it's also correct to use the magnitude of the samples as an
> indicator for the RSS or is this value somehow "distorted"?
>
> Cheers,
> Matthias
>
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