The nodeG5 Modbus IIoT gateway combines local processing, analytics, and edge machine learning to enhance reaction speeds and reduce data and cloud compute costs for industrial systems. It supports Modbus TCP/RTU, CAN Bus, J1939/OBD2, RS485, OPC UA, Bluetooth, and WiFi while providing integrated clients for AWS IoT Core, Azure IoT Hub, Google Cloud Platform, Ubidots, and MQTT with TLS security. A rugged aluminium enclosure with CE, FCC, UKCA, and RCM certifications, 4G/LTE, GPS, and flexible I/O options make it well-suited for remote or mobile industrial deployments.