An Apple airtag probably doesn't but it is apparently possible to send some data at a very low rate (the article in [1] says a few bits per hour) over the find

An Apple airtag probably doesn't but it is apparently possible to send some data at a very low rate (the article in [1] says a few bits per hour) over the find my network [2] [1] https://positive.security/blog/send-my https://positive.security/blog/send-my [2] https://github.com/positive-security/send-my https://github.com/positive-security/send-my