Engie M2M, a subsidiary of Engie ( previously Gdf Suez ) ,  is a new Belgian network operator, designing, deploying,  maintaining and commercializing the Sigfox network destined to the Internet of Things in Belgium. The new network complements existing high-bandwidth systems by providing economical, energy-efficient two-way transmission of small quantities of data, thus lowering barriers to wide implementation of IoT and M2M solutions, and greatly extending the battery and service life of connected devices.