Possibly this guy was a lab-type engineer whom the techs called for in desperation. The clue is the "white coat". Being one who did not normally visit customers the suit-and-tie policy might not apply.
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.