IMG-4312D+-D4G LTE Cellular M2M Gateway ORing IMG-4312D+-D4G LTE Cellular M2M Gateway is designed to provide complete connectivity for Cloud, Internet of Things, and Industry 4.0 applications. The IMG-4312D+-D4G is ideal for remote secured data collection from the factory floor or environmental sensors and for serving control commands from Cloud Platforms for changing end-device status.