Most of the time Bluetooth ‘just works’. However, if you need to diagnose interference problems or do site surveys then you will need a wireless spectrum analyser. Sparrow-WiFi is a spectrum analyser for Linux:
![](https://www.beaconzone.co.uk/blog/wp-content/uploads/2020/09/sparrow_wifi.png)
There’s a useful tutorial at Wonder How To.
Read What are Beacons?