Earlier quoted context omitted.
Translation of the cited statement by the Lufthansa spokesperson: “ Baggage trackers belong to the category of Portable Electronic Devices and are therefore subject to the Dangerous Goods regulations issued by the International Civil Aviation Organization for carriage in aircraft. Accordingly, the trackers must be deactivated during the flight due to their transmission function, similar to cell phones, laptops, table…
This section makes it even more confusing to me, since I thought that the whole cell phone transmission restriction theater had been removed a few years ago. Was that only within the US and I've been violating EU regulations for years?
The regulation also states that such devices “should be carried as carry-on baggage”, that is, in preference to checked baggage, presumably so that the devices are less prone to damage, and cases of malfunction and fire will be more quickly detected.