how dangerous Freerunner could be?

[ivvmm]

Hello list

koolu.com wrongly sent North American variant of devices to our European
country in a pack. So what we got now is that devices operate only on
1800MHz frequency. That's twice bigger than 900MHz.

How dangerous could it be? I always carry the device near my heart
because it is needed to for GPS to receive an accurate position.

How could GSM module be shut down truly? We all know it sends
control-signals even if turned off.


Thank you.

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