Industrial NMEA2000 to MQTT Converter with LTE and eSIM HD67C20-G43-E-B2

Industrial NMEA2000 to MQTT Protocol Converter with LTE and eSIM.

HD67C20-G43-E-B2 is an industrial protocol converter designed to integrate NMEA2000 networks with modern systems based on the MQTT Broker protocol. The device supports both physical SIM cards and integrated eSIM technology, making it an ideal solution for distributed installations requiring flexible, secure and scalable cellular connectivity.

Communication interfaces and cellular connectivity

The converter supports the NMEA2000 protocol over CAN and enables data transmission to supervisory systems via Ethernet or LTE cellular network. Thanks to the built-in eSIM and SIM card slot, the device can be deployed in international or remote environments without the need for local SIM management. Data exchange with cloud platforms, SCADA systems and IoT applications is handled using the MQTT Broker protocol.

Typical applications

HD67C20-G43-E-B2 is widely used in marine automation systems, vessel monitoring, offshore installations, energy infrastructure, transportation systems and IoT applications where data from NMEA2000 networks must be transmitted securely over cellular networks to cloud-based platforms or SCADA environments.

Hardware design and performance

The device is equipped with one CAN port, one Ethernet RJ45 interface, a SIM card slot and an integrated eSIM. This combination ensures maximum flexibility in selecting the communication medium. The NMEA2000 network supports data rates up to 1 Mbps, while MQTT communication operates at 10/100 Base-T with autosensing, ensuring stable and efficient data exchange.

Technical specifications

Ports: 1x CAN, 1x Ethernet, SIM card slot, integrated eSIM
CAN protocol: NMEA2000
Ethernet and LTE protocol: MQTT Broker
CAN connector: 3-way 5 mm screw terminal block
MQTT connector: RJ45 and SIM
NMEA2000 data rate: up to 1 Mbps
MQTT data rate: 10/100 Base-T autosensing
Power supply: 8–24 V AC or 12–35 V DC
Power supply connector: 2-way 5 mm screw terminal block
Operating temperature: from -40 to +85 degrees C
Dimensions: 70 x 60 x 95 mm (D x W x H)
Weight: approx. 200 g
Mechanical fixing: DIN rail mounting
Software: SW67C20

Configuration software

Device configuration and diagnostics are performed using dedicated SW67C20 software, which allows defining MQTT parameters, configuring the NMEA2000 network and managing data mapping. Download SW67C20 configuration software .

Reliable NMEA2000 to MQTT integration

HD67C20-G43-E-B2 is an industrial-grade solution that bridges NMEA2000 networks with modern MQTT and IoT architectures, providing secure communication, deployment flexibility and high reliability for distributed and mobile applications.