anupbadru Member Member since Jul 13, 2011 Last active Oct 18, 2013 Total activities 0 Activity feed Recent contributions #Threads 12 years ago 58754906-3300-49e4-81c1-0d5b3a877fd3 Here Light is the carrier,so what about the range ??? so where the light of bulb doesn't reach ..Data flow will be...
