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GUVWAF avatar GUVWAF commented on June 2, 2024

It's a pretty simple calculation which I would take with a grain of salt:

firmware/src/graphics/Screen.cpp

Line 833 in 1085b54

snprintf(signalStr, sizeof(signalStr), "Signal: %d%%", clamp((int)((node->snr + 10) * 5), 0, 100));

So it seems you're not getting an SNR higher than 7dB. The V2 has a SX127x radio, while the V3 has a SX126x. Maybe if you turn off Rx boosted gain on the V3, it will be better in this case.
SNR may actually be worse if the devices are so close.

from firmware.

HarukiToreda avatar HarukiToreda commented on June 2, 2024

I just turned off the Rx boosted on both sender and receiving node and went about 20ft from the node and the signal strength remains unchanged.

from firmware.

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