![]() As you can probably imagine: the larger the distance between you and the sender of a signal, the lower the signal strength will be. So what can we do with RSSI? Well, there is a relation between RSSI and distance (see also Figure 1). You will see the current RSSI of your connection (only when you are connected to a network!). Small Mac OS tip: Try clicking on your WiFi icon in the navbar while holding alt (or option in Mac OS terms). It can therefore be considered as a free input to a system. no additional sensors are required to measure RSSI values. The rationale behind using RSSI values is that almost all wireless systems report and use this value natively i.e. The higher the RSSI value, the higher the signal strength. The RSSI value resembles the power of a received radio signal (measured in dBm). If you have heard about iBeacons or indoor localization before, then you have probably also heard about RSSI: the Received Signal Strength Indicator.
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