I wish more people would know about the effects of diclofenac on vultures and why vultures play an important role in our ecosystem

ah, that’s great. To complement on the discussion, I found this site with a relationship of the used band and the corresponding legislation https://www.loraantenna.com/lorawan-frequency-plans-by-country-region/

This sounds great. Just be aware that broadcasting on certain frequencies is ilegal in some places. You might need a license to broadcast in the ham spectrum, and even then, broadcasting encrypted messages could be prohibited.