USB file tranfer via zigbee modules

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i'm looking way of transferring files via usb on long distances , wondered if zigbee modules , arduinos solution.
what i'm after wireless equivalent of long usb cable, think i'm correct zigbee can cope around 1km line of site @ sort of baud rate?
what i'm trying download files camera wirelessly @ long distance, camera nikon d300, sell device costs £700!
does have suggestions or better solutions?

cheers.
 

i have never used 1 of these might work. no arduinos or coding.

http://www.eyefi.com/



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