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RSSI question


fugu
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  • 2 weeks later...

I would say the EIRP is the actual radiated power by the antenna (sum of amplification gain and antenna gain minus cable loss) and the RSSI is what the receiver gets. So the RSSI will drop by increasing the range to the antenna. Because there is no information in the packet about the EIRP the calculation of the RSSI is a thing of its own (depending on the energy that is induced in the receiving antenna). Also the medium in which the signal travels takes influence depending on its grade to absorb the power of the signal (i.e. 2,4 GHz under water would be a bad idea :D ). In general low frequencies travel further than high frequencies (same conditions assumed - probably because high frequencies are more likely to interact with our terrestrial environment).

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