RSSI

Receiver Signal Strength Indicator. A value transmitted by the receiver in your model to a receiver in your Transmitter that indicates how strong the signal is that’s being received by the model. When it drops below a minimum value, indicating … Continue reading

SWR

Standing Wave Ratio is used as an efficiency measure for transmitting radio signals. Lower numbers are better with a 1:1 ratio being theoretical perfection of antenna performance. Best not to get hung up on this unless you’re a technical expert.

Telemetry

A catch-all term for passing performance information from the model back to the RC pilot. This information can be quite extensive, and include RSSI, various voltages, GPS position, altitude, etc. Not all FrSky receivers are telemetry capable, but all of … Continue reading