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It's probably not just Wi-Fi but mix of Wi-Fi, 4G/3G and Bluetooth : http://opengarden.com/apps http://opengarden.com/apps Given the density of the protest, Bl

by ldng 12y ago

It's probably not just Wi-Fi but mix of Wi-Fi, 4G/3G and Bluetooth : http://opengarden.com/apps http://opengarden.com/apps Given the density of the protest, Bluetooth could work.