Beijer Electronics korenix JetWave 3220v3 Series, User Manual

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JetWave 3220v3/3420v3 Series User Manual
Page 128
6.3.2
RSSI Conversion
RSSI Conversion in JetWave 3220/3420 Series WIFI:
RSSI is short of the Received Signal Strength Indicator, is a measurement of the power present
in a received radio signal. In Korenix web GUI, you can see the two related values:
Signal Strength: The signal strength of the associated device. The value can help you to see
the connection quality of AP/WDS-AP and Client/WDS-Client.
Noise Floor: The Noise Floor of the associated device.
Different suppliers may use different way to display the signal strength. In korenix JetWave
3200/3400 series, the RSSI = Signal Strength – Noise Floor – 95 (defined by chipset provider).
The RSSI example of above figure is -56 – (-111) -95 = 55 -95 = -40
JetWave 3200/3400 series RSSI Conversion:
RSSI_Max = 60
The RSSI of is range from -35dBm (100%) ~ -95dBm (0%).
Ex: From the value in above example, you can convert -40dBm to
around 91.3% of maximum radio power. The link quality is very good.
The figure in the right is the lookup table for your reference.
While comparing Korenix product with other competitors, you can
follow the way to convert Korenix RSSI to % of the maximum RF Tx Power of other products.