The advantages of drones for WiFi include the ability to relocate them as needed and they present a moving target which is harder to shoot down. Balloons have the advantage of not requiring as much energy and maintenance. I guess both technologies risk tipping off the enemy as to the location of activities of interest. In that regard, using these technologies to expand WiFi in remote friendly territories is less problematic.
Replay available now: A handful of emerging network technologies are competing to be the preferred wide-area connection for the Internet of Things. All claim lower costs and power use than cellular but none have wide deployment yet. Listen in as proponents of leading contenders make their case to be the metro or national IoT network of the future. Rick Merritt, EE Times Silicon Valley Bureau Chief, moderators this discussion. Join in and ask his guests questions.