What are you using for for networking/on board computing? The article mentions 2G is used in China - however here in the US such services are being depricated [1].
[1] https://www.att.com/esupport/article.html#!/wireless/KM10848...
[1] https://www.att.com/esupport/article.html#!/wireless/KM10848...
Since you are one of the co-founders you should be able to spend at least some effort on answering the actual question or explain why you would chose not to do so.