HD67C25-G43-VPN-B2 SNMP Agent to MQTT Broker Converter with VPN LTE DIN Rail

Industrial SNMP Agent / MQTT Broker converter with integrated VPN service, LAN and LTE connectivity, type B housing, DIN rail mounting.

HD67C25-G43-VPN-B2 is an industrial communication converter designed to integrate SNMP-based infrastructures with modern systems operating on MQTT Broker. The device functions as an SNMP Agent, making internal data available to SNMP Managers while simultaneously enabling MQTT-based data exchange.

A key feature of the HD67C25-G43-VPN-B2 is the integrated VPN service, which provides encrypted and secure remote access to monitored infrastructure. Combined with LTE connectivity via SIM card, the converter enables deployment in distributed installations and remote industrial environments where secure communication is essential.

The device enables:

• Operation as an SNMP Agent
• Publishing and subscribing MQTT topics through the embedded MQTT Broker
• Definition of authorized MQTT clients
• Creation of publish and subscribe topics
• Configuration of secure remote communication via VPN
• Integration with SCADA, BMS and cloud-based platforms

Both SNMP and MQTT communications support 10/100 Base-T Autosensing.

Industrial-grade design ensures:

• Electrical isolation between Ethernet and power supply
• Wide power supply range 8…24V AC / 12…35V DC
• Wide operating temperature range -40°C to +85°C
• DIN rail mounting (35 mm)
• Modulbox 4M industrial housing type B

These characteristics guarantee reliable operation in demanding industrial environments.

The device includes four diagnostic LEDs indicating:

• Device status
• SNMP communication
• MQTT Broker communication
• Error state

A dedicated Recovery button allows restoring service mode in case of incorrect configuration.

The Ethernet port is used for device programming and for SNMP and MQTT communication. The LTE module supports Micro-SIM and external antenna connection (SMA), ensuring stable mobile communication in remote environments.

Configuration:

The HD67C25-G43-VPN-B2 is configured using dedicated SW67C25 software. The configuration tool allows you to:

• Define SNMP Agent parameters
• Configure MQTT Broker settings
• Map SNMP variables into MQTT topics
• Configure secure VPN access
• Update device firmware

Technical Specification:

• Protocol: SNMP Agent
• MQTT: Embedded MQTT Broker
• Service: VPN
• Connectivity: LAN + LTE (SIM)
• Data rate SNMP: 10/100 Base-T Autosensing
• Data rate MQTT: 10/100 Base-T Autosensing
• Power supply: 8…24V AC / 12…35V DC
• Operating temperature: -40°C to +85°C
• Dimensions: 70 x 60 x 95 mm (DxWxH)
• Weight: approx. 200 g
• Mounting: DIN rail
• Software: SW67C25
• ORDER CODE: HD67C25-G43-VPN-B2

SW67C25 software for HD67C25-G43-VPN-B2 DOWNLOAD

Manufacturer warranty: 24 months

HD67C25-G43-VPN-B2 is a professional solution for secure integration of SNMP infrastructures with MQTT-based Industrial IoT systems. By combining SNMP Agent functionality, embedded MQTT Broker and integrated VPN service, the device enables centralized monitoring, encrypted remote access and scalable data exchange in modern industrial automation architectures.

For technical assistance and project support, please visit our contact page.