CPC H04B 5/0037 (2013.01) [H02J 50/10 (2016.02); H02J 50/80 (2016.02); H02J 50/90 (2016.02); H04B 5/0031 (2013.01); H04B 5/0081 (2013.01)] | 17 Claims |
1. A method, comprising:
emitting, with a first near field communication (NFC) antenna of a mobile electronic device, an NFC field;
determining an NFC field strength;
determining, a range of values of a plurality of ranges of values in which the NFC field strength is within; and
emitting, by the mobile electronic device, at least one notification signal with a frequency corresponding to the determined range of values.
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