| CPC H04B 1/40 (2013.01) | 20 Claims |

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1. A communication apparatus, comprising:
a tiny pin, having a sharp, arrow-shaped end with a spiral groove, suitably dimensioned and configured for insertion, penetration into, and retention in a user's skin;
a data receiver;
a data transmitter, and
a shaft having an inner end attached to the sharp, arrow-shaped end of the tiny pin, and an outer end attached to the data receiver and data transmitter;
wherein data are not transmitted by sound waves passing through the user's body.
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