Sparrow is an open source Graphical Bluetooth and WiFi Analyzer for Linux. It provides a 2.4 GHz and 5 GHz spectrum view, listens for Bluetooth LE advertising and tracks advertisement or iBeacons advertisement sources. It can also be used to advertise iBeacon.
![](https://www.beaconzone.co.uk/blog/wp-content/uploads/2019/11/spectrum-screenshot.png)
Sparrow is useful for advanced users who need to diagnose more advanced problems related to interference or which part of a system isn’t working.