The Digi TransPort WR31 is an intelligent 4G LTE router designed for critical infrastructure and industrial applications. It provides a secure, reliable connection to industrial controllers, process automation equipment and smart grid assets on third party sites or remote locations. Software-defined, multi-carrier networking and global LTE and HSPA+ options make it easy to get connected. This drop-in connectivity gives operators a way to reduce downtime and service calls and also increase revenue by bringing distributed sites online faster.Ideal for Connecting: Building and process automation controllers Smart grid assets (meters, switches, controllers) IP cameras and access controllers Remote data loggers, flow meters and sensing equipment - Telco infrastructure Traffic and obstruction lighting