![]() ![]() ![]() In GSM networks, ASU maps to RSSI (received signal strength indicator, see TS 27.007 sub clause 8.5).ĭBm = 2 × ASU - 113, ASU in the range of 0.31 and 99 (for not known or not detectable). In the iMonnit Online Portal, the following scale is used for graphical representation of the ASU signal indicator to a 5 bar signal graphic where 0 bars equals low/no signal and 5 equals the best signal.Ġ bars: 0 - 5 Technical conversion referencing RSSI For reference, view the Wikipedia page for Mobile Phone Signal. This is converted into the “bars” icon that represents the signal strength. The signal indicator used in iMonnit for cellular gateway uses the ASU (Arbitrary Signal Unit) signal indicator. ![]()
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