1. Sort APs by Band:
2. Check the bands you are interested in.
Of course, you can narrow your results by checking and unchecking individual SSIDS and APS as well:
You can also use the right-clik options:
3. Make sure that you switch to "Selected APs" mode:
This set of APs will be applied both to the visualizations AND reports.
You can also choose what surveys to include in the calculations, for example, you can get separate results for surveys taken at different dates or choose certain survey types: