This class is the second part of my wi-fi course " wi-fi fundamentals "

in this class , you will understand 3 main concepts , that each wi-fi expert should be familiar

Free space path loss
RSSI - understand how the received signal strength indicator works on your smartphone/ laptop when discovering wi-fi networks around
Ranging algorithm's- how to calculate ranging between your station and your access point/router using simple equations

you will understand how signals propagate in the air , and how ranging is done using FSPL and RSSI - the received signal strength indicator