An industrial router is a kind of wireless router that uses a public wireless network to provide users with wireless data transmission functions.It has been widely used in M2M industries in the Internet of Things industry chain, such as smart grids, smart transportation, smart homes, financial Internet of Things wireless communication routers, mobile POS terminals, supply chain automation, industrial automation, smart buildings, fire protection, public safety, environmental protection, meteorology, digital medical care, remote sensing surveying, agriculture, forestry, water affairs, coal mines, petrochemical and other fields.