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Im glad I found this post cause I was looking for a way to convert the dbm to percentage. The limits may vary.Įxamples: Medium quality: 50% -> -75dBm = (50 / 2) - 100 Pseudo Code (with example clamping): // dBm to Quality:Ĭheck the definition of Quality that you are using for your calculations carefully. Therefore, the conversion between quality (percentage) and dBm is as follows: quality = 2 * (dBm + 100) where dBm: ĭBm = (quality / 2) - 100 where quality: dBm) in which the smaller magnitude negative numbers have the highest signal strength, or quality. RSSI (or " Radio (Received) Signal Strength Indicator") are in units of 'dB' (decibel) or the similar 'dBm' (dB per milliwatt) (See dB vs. WlanSignalQuality values between 1 and 99 using linear interpolation. You can calculate the RSSI signal strength value for A value of 100 implies an actual RSSI signal strength of A value of 0 implies an actual RSSI signal strength

This member contains a valueīetween 0 and 100. Microsoft defines Wifi signal quality in their WLAN_ASSOCIATION_ATTRIBUTES structure as follows:Ī percentage value that represents the signal quality of the network. Wifi Signal Strength Percentage to RSSI dBm