Turns out that when using the GUI, the Freq allocations are linked to the computers timezone, therefore if you need to change the freq you must use an appropriate timezone to correspond to the region of interest
We are having the same issue, the Profiles pane on the reader settings pop-up is completely missing, We would like to change our main freq from the 865/867MHz range that came as default in the firmware that came bundled with the STSW-ST25RU001 GUI fi...