The Bluetooth.org website, is the official membership site and contains a collection of documents on the unlicensed 2.4 GHz radio spectrum and the 79 frequency signal hops used to reduce interference.
![](https://www.reloade.com/wp-content/uploads/2003/12/Bluetooth-Special-Interest-Group.jpg)
The Bluetooth.org website, is the official membership site and contains a collection of documents on the unlicensed 2.4 GHz radio spectrum and the 79 frequency signal hops used to reduce interference.