WiFi Antenna for $5 does 4 km Slashdot points to the details. I wish they’d open up the WiFi spectrum for public use in India (beyond a local, campus environment) – this could then see a lot of innovation in India. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like this:Like Loading… Published by Rajesh Jain An Entrepreneur based in Mumbai, India. View all posts by Rajesh Jain