To edit beacons in bulk, there is a BULK EDIT button at the top row.
Steps:
navigate to the your portal page,
open the Beacons page from the left side panel (navigate RTLS → Beacons),
select multiple beacons you would like to edit,
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click the BULK EDIT button,
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By pressing “Allow” you will unlock the option you would like to change on the selected beacons.
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Make your changes and SAVE them.