What does RSSI mean?
Received Signal Strength Indicator, or RSSI, represents a device's observation of received radio strength. How it is exposed and scaled can vary between equipment. It is one useful local measurement, not a complete assessment of Wi-Fi quality or internet performance.
Why it matters
Strong received signal can coexist with interference, busy airtime or a weak mesh backhaul. Do not convert a signal reading directly into a guaranteed stream bitrate. Compare measurements at the actual player location and combine them with practical playback observations. A phone's reading may not represent the smaller antenna or obstructed position of a streaming stick behind a television.
A practical example
A player beside a mesh node can report strong reception while the node struggles to reach the router. The local RSSI is genuine but describes only one part of the route.
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For practical setup and troubleshooting, browse the journal or support guides.