Typically open source hardware can provide a good starting point for your own design. Distributors have been providing full schematics and bill of materials for their evaluation boards so you will design in the parts they distribute. For them, the role of open source hardware is to generate more sales!
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.