Originally Posted by
Whiters96
Sorry my bad, not microwave signal but radio wave signal, we thought about both a mobile phone cover and a key fob, the problem is that you might not have it on you at the time of the disaster. Meaning rescuers will waste time in finding a keychain.
I really don't think it leads to any "police" state idea, it is simply a transmitter which works on a short range.
As a future strategy we are planning on creating a telephone cover which can be used as the transmitter to locate the wristbands.