If one could conclude, reading this article, that SigFox offers the best solution, it must nevertheless relativize. SigFox is a unique operator. Therefore, if the country is not covered by SigFox, it will not be possible to use SigFox sensors locally. In addition, companies like to have the choice, and to be able to compete. With SigFox, no competition. A single operator, who decides prices (and its evolution), the level of service, features offered .. With the risk, in case of failure of SigFox, to see disappearing the entire service. At the moment, SigFox is still not a profitable company … We have heard about big Smart Cities rollout projects, where SigFox was not selected, due to the lack of visibility on the very long term (15- 20 years).