# SNR, RSSI, Noise Floor and Margin

> Snippet explaining RSSI SNR and Margin

- Type: Community update
- Community: [The Things Network Cardiff](https://www.thethingsnetwork.org/community/cardiff/)
- Author: Richard Wenner
- Published: 2017-11-21
- Web page: https://www.thethingsnetwork.org/community/cardiff/post/snr-rssi-noise-floor-and-margin

[Snippet explaining RSSI SNR and Margin](https://youtu.be/QFapH4oADnU)