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Received Signal Strength Indicator

aliases:

  • RSSI

A measure of a wireless signal's strength as measured at the receiver, measured using either decibel units or an index value.

If a client vendor prefers to use index values to measure the signal strength, the most common ranges are 0-60, 0-127, or 0-255.

When measuring with dBm, negative values that are closest to zero represent better performance, In fact, -30 dBm is considered perfect signal, -65 dBm is good signal, and anything lower than -80 dBm will most likely suffer packet loss.

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