wired = 100-110 m without repeater
wireless = 100m rated , 10 m practical
PERIOD !
never seen one for 3 kms
im nit sure what u saw
maybe a link to a similar product ? cuz i sure dunno abt this
the only wireless technology thats soo vast ( over 3km radius) is WiMAX not WiFi
and thats very nascent and not in the market yet !
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