Industrial NMEA0183 to MQTT Broker converter with LTE for IoT HD67C19-2-G43-B2

Industrial NMEA0183 (RS232) to MQTT Broker Converter with LTE

HD67C19-2-G43-B2 is an industrial communication converter designed to integrate devices operating with the NMEA0183 (RS232) protocol into modern MQTT Broker-based architectures. The device is intended for marine, navigation, telemetry and IoT applications where reliable and continuous data transmission to cloud platforms, SCADA systems and monitoring software is required.

The G43 variant is equipped with an integrated LTE modem and a SIM card slot, enabling MQTT communication even in locations without fixed Ethernet infrastructure. The converter supports simultaneous LAN and cellular communication, providing high deployment flexibility in distributed, remote and mobile installations.

By supporting NMEA0183 over RS232 and full MQTT Broker functionality, the device enables mapping of navigation and telemetry data to MQTT topics, as well as publishing and subscribing data for seamless integration with IoT platforms, analytics systems and remote monitoring applications.

Key features

• Conversion of NMEA0183 (RS232) data to MQTT Broker.
• Ethernet RJ45 and LTE (SIM) connectivity.
• RS232 data rates up to 115200 bps.
• Support for 10/100 Base-T Autosensing for MQTT.
• Galvanic isolation between Ethernet interface and power supply.
• Wide operating temperature range from -40°C to +85°C.
• Compact B2 Modulbox enclosure for DIN rail mounting.

Device configuration is performed using dedicated software SW67C19, which allows configuration of MQTT connection parameters, NMEA0183 serial settings, data-to-topic mapping, as well as management of MQTT clients. The software can be downloaded directly from the manufacturer’s website: download SW67C19 software .

Technical specifications

• Protocols: NMEA0183 (RS232), MQTT Broker
• Ports: 1 × RS232, 1 × Ethernet RJ45, LTE SIM slot
• RS232 data rate: up to 115200 bps
• MQTT data rate: 10/100 Base-T Autosensing
• Power supply: 8…24 V AC or 12…35 V DC
• Power connector: 2-way 5 mm terminal block
• Operating temperature: -40°C to +85°C
• Dimensions: 70 × 60 × 95 mm (D × W × H)
• Weight: approx. 200 g
• Mounting: DIN rail 35 mm
• Software: SW67C19
• Order code: HD67C19-2-G43-B2

HD67C19-2-G43-B2 is a reliable and scalable solution for integrating NMEA0183-based systems with MQTT-driven IoT architectures, both in local installations and in remote LTE-based deployments.

Need technical assistance or help selecting the right variant? Contact Consteel Electronics .