Wikipedia:Articles for deletion/Sigfox
plenty of  on the subject, such as https://books.google.com/books?id=ApcoDQAAQBAJ&pg=PA665&dq=%22Sigfox%22&hl=en&sa=X&ved=0ahUKEwiu-N7R7anSAhUFTSYKHcZDDGoQ6AEIKzAC#v=onepage&q=%22Sigfox%22&f=false.  Agree with AdventurousSquirrel
— User:David, 23:14, 24 February 2017 (UTC)
Stance: keep
Cited policy: WP:RS (Wikipedia:Reliable sources)