BLUE PILL OR RED PILL
VOLTAGE VS RECEIVED SIGNAL LEVEL
\( \text{RSL (dBm)} = 15.9 \times V - 91.6 \)
\( V \text{ (volts)} = \dfrac{\text{RSL} + 91.6}{15.9} \)
// HUAWEI hardware-calibrated linear curve · RSSI DC voltage vs RSL
// Tap ± to flip between negative / positive
// Fill only one field; the other will be computed