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====== RSSI ====== | ====== RSSI ====== | ||
- | The Received Signal Strength Indicator (RSSI) is a measure of the power level at the receiver. When a device scans for Bluetooth devices, the Bluetooth radio inside the device provides a measurement of the RSSI for each seen device. It's measured in decibels, dBm, on a logarithmic scale and is negative. A more negative number indicates the beacon is further away. For example, a value of -20 to -30 dBm indicates the beacon is close while a value of -120 indicates the beacon is near the limit of detection. | + | The Received Signal Strength Indicator (RSSI) is a measure of the power level at the receiver. When a device scans for Bluetooth devices, the Bluetooth radio inside the device provides a measurement of the RSSI for each seen device. It's measured in decibels, dBm, on a logarithmic scale and is negative. A more negative number indicates the device is further away. For example, a value of -20 to -30 dBm indicates the device is close while a value of -120 indicates the device is near the limit of detection. |
[[https://www.beaconzone.co.uk/blog/obtaining-distance-from-rssi/|Obtaining Distance from RSSI]]\\ | [[https://www.beaconzone.co.uk/blog/obtaining-distance-from-rssi/|Obtaining Distance from RSSI]]\\ |
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