android - how to send low level wifi message? -

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is there low level access androids wifi transmitter?

obviously each android phone has radio transmitter / receiver.

so how 1 tell transmitter transmit letter "o" or number 1 rather packet?

you send packet, can change payload that, in case, can string "o" or number. packet built according iso/osi stack http://en.wikipedia.org/wiki/osi_model tho levels not present.


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