Industrial MQTT to HART master converter, housing type A (slim), DIN rail mount. The HD67910-A1 are MQTT to HART Converters. They allow to publish and get the data from/to a HART network into/from a MQTT Server. These gateways allow a fast and easy access to IoT world and they are compatible with IoT Servers that support MQTT protocol. The MQTT communication can be encrypted using TLS / SSL protocols, ensuring a SECURE and SAFETY communication. O..