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Configuration: Built-in, multilingual Web UI.
Design: True Plug & Play — zero FTDI/CH340 driver conflicts.
Interface: Dual independent, overvoltage-protected UART channels.
Technology: Driverless USB network connectivity (RNDIS/CDC-ECM).
Speed: Up to 2MBd transfer rate via standard TCP sockets (Up to 2 simultaneous clients connected to 1 TCP Server).
Quality Assured Products
Quality products, curated and tested by our engineers. We only sell what we use.
Expert Technical Support
Get direct support from the in-house engineers who design and test our products.
Return policy
Standard right of withdrawal for all consumers within the European Union within 14-days.
Modernize your serial devices. Connect them to the network, effortlessly.
The EthLinx Duo is a gateway that opens the world of TCP/IP applications to your existing UART devices. It appears on your computer (Windows/UNIX) as a standard network card — no drivers required. Configure, monitor, and manage your communication with total flexibility via the embedded web server or our Python API.
Rugged & Compact Design: Housed in a durable metal case (80x50 mm) with industrial-grade 3.5mm terminal connectors. The case is grounded via the USB Type-C shield for enhanced ESD protection.
| Feature | Specification | |
| Interface | USB 2.0 Full Speed (12 Mbps) | |
| Device Class | RNDIS / CDC-ECM | |
| Channels | 2x 3.3V UART, Rugged Overvoltage protection | |
| Baud Rate | 2400 Bd to 2M Bd | |
| TCP Connections | Up to 2 per channel | |
| TCP Window Buffer | 4 kB | |
| Connectors | 1x USB Type-C, 2x 3-pin 3.5mm Terminal Block | |
| Power | USB Bus-Powered (via Type-C) | |
| Dimensions | 80 x 50 mm |
Industrial Automation & Control
Data Acquisition Systems
Traffic and Environmental Logging
Automated Test & Measurement Rigs
Scripted Access to Serial Buses
Prototyping and Hardware Development
1x EthLinx Duo Device
2x 3-pin Mating Terminal Connectors
Quick Start Guide
Data sheet
Specific References
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