It could just be a cutoff that's set to low, this event does not tell that much by itself. It may turn out that the antenna fries itself at 60C and that's why i

It could just be a cutoff that's set to low, this event does not tell that much by itself. It may turn out that the antenna fries itself at 60C and that's why it's turning off at 50. Or perhaps it could easily handle much more but it was set at that temperature for some reason.