--- product_id: 670559515 title: "2-CH UART to Ethernet Converter Module Fits Raspberry Pi/Arduino/STM32 Serial Port Bi-Direction Transparent Transmission Between UART and Ethernet, ETH to UART" brand: "iiunius" price: "C$1979" currency: NIO in_stock: true category: "Iiunius" url: https://www.desertcart.ni/products/670559515-2-ch-uart-to-ethernet-converter-module-fits-raspberry-pi store_origin: NI region: Nicaragua --- # Up to 921.6Kbps baudrate 4 network modes TCP/UDP client/server 2 UART channels concurrent 2-CH UART to Ethernet Converter Module Fits Raspberry Pi/Arduino/STM32 Serial Port Bi-Direction Transparent Transmission Between UART and Ethernet, ETH to UART **Brand:** iiunius **Price:** C$1979 **Availability:** ✅ In Stock ## Summary > 🚀 Connect Smarter, Code Faster, Lead the IoT Revolution! ## Quick Answers - **What is this?** 2-CH UART to Ethernet Converter Module Fits Raspberry Pi/Arduino/STM32 Serial Port Bi-Direction Transparent Transmission Between UART and Ethernet, ETH to UART by iiunius - **How much does it cost?** C$1979 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/670559515-2-ch-uart-to-ethernet-converter-module-fits-raspberry-pi) ## Best For - iiunius enthusiasts ## Why This Product - Trusted iiunius brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Developer-Ready Kit:** Includes comprehensive manuals and code examples to accelerate your IoT and embedded system innovations. - • **Dual-Channel Powerhouse:** Simultaneously run 2 UART ports with full-duplex or half-duplex modes for seamless data flow. - • **Universal Compatibility:** Perfectly pairs with Raspberry Pi, Arduino, STM32, and more, supporting DHCP and DNS for hassle-free setup. - • **Smart Auto-Cable Detection:** Auto-MDI/MDIX technology means no more cable confusion—just instant Ethernet connectivity. - • **Plug & Play Network Flexibility:** Switch effortlessly between TCP CLIENT, TCP SERVER, UDP CLIENT, and UDP SERVER modes to fit any project. ## Overview The 2-CH UART to Ethernet Converter Module by iiunius enables bi-directional transparent data transmission between UART TTL and Ethernet with dual UART channels operating concurrently. Supporting full/half-duplex communication, four network modes (TCP/UDP client/server), and auto MDI/MDIX cable detection, it ensures versatile, stable, and high-speed connectivity (up to 921.6Kbps). Compatible with Raspberry Pi, Arduino, STM32, and equipped with developer resources, it’s the ultimate tool for professional-grade IoT and embedded networking projects. ## Description Overview The 2-CH UART TO ETH provides an easy way to communicate between UART TTL and RJ45 Ethernet, allowing bi-directional transparent data transmission. It is easy to use, along with features like fast data rate, low power consumption, high stability, suits applications such as safety & security, IoT, and so on. Features Embedded Ethernet MAC and PHY layers Bi-direction transparent data transmission between UART and Ethernet 10/100M, full-duplex/half-duplex auto-negotiation Ethernet interface, 802.3-compliant Auto-MDI/MDIX, detect and switch cable type automatically Supports DHCP auto-obtained IP and DNS domain access Network parameter configuration like chip operating mode, port, IP, via host computer software or UART command Four operating modes: TCP CLIENT, TCP SERVER, UDP CLIENT, UDP SERVER 2-CH UART concurrent operation, standalone transparent transmission for each channel Full-duplex or half-duplex UART communication, supports RS485 RX/TX auto switch Supports virtual serial port software (provided) KEEPALIVE mechanism support Comes with development resources and manual (examples for Pico/Raspberry Pi/Arduino/STM32) Specifications Operating voltage: 3.3V/5V Operating current: 140mA Operating mode: TCP/UDP UART baudrate: 300bps ~ 921.6Kbps UART TTL level: 3.3V / 5V compatible Storage temperature : -55℃ ~ 125℃ Operating temperature: -40℃ ~ 85℃ Dimensions: 53.00 × 22.00mm Packing List 2-CH UART TO ETH x1 Resources & Services WIKI: 2-CH_UART_TO_ETH ## Features - 【2-CH UART concurrent operation】2-CH UART concurrent operation, standalone transparent transmission for each channel. Full-duplex or half-duplex UART communication, supports RS485 RX/TX auto switch - 【Four operating modes】TCP CLIENT, TCP SERVER, UDP CLIENT, UDP SERVER. Network parameter configuration like chip operating mode, port, IP, via host computer software or UART command. - 【Control interface】UART to Ethernet Supports host boards Like for Raspberry Pi/Arduino/STM32..., Supports DHCP auto-obtained IP and DNS domain access - 【Auto-MDI/MDIX】The Ethernet serial server converter supports Auto-MDI/MDIX to automatically detect and switch cable types. Embedded Ethernet MAC and PHY layers - 【Development resources and manual】Comes with development resources and manual (examples for Pico/Raspberry Pi/Arduino/STM32) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DK4ZSTFZ | | Best Sellers Rank | #7,302 in Single Board Computers (Computers & Accessories) | | Brand | iiunius | | Item Weight | 27.22 g | | Manufacturer | iiunius | | Number of Ports | 2 | | Warranty Description | 1 | ## Images ![2-CH UART to Ethernet Converter Module Fits Raspberry Pi/Arduino/STM32 Serial Port Bi-Direction Transparent Transmission Between UART and Ethernet, ETH to UART - Image 1](https://m.media-amazon.com/images/I/61l5cE3L9RL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ni/products/670559515-2-ch-uart-to-ethernet-converter-module-fits-raspberry-pi](https://www.desertcart.ni/products/670559515-2-ch-uart-to-ethernet-converter-module-fits-raspberry-pi) --- *Product available on Desertcart Nicaragua* *Store origin: NI* *Last updated: 2026-07-08*