Ethernet controller module ENC28J60 - Waveshare 3992

Expansion board based on the Wiznet W5200 Ethernet chip. It allows you to easily connect the Arduino to the Ethernet network. DFRobot DFR0272

UART - Ethernet converter enabling two-way communication between devices equipped with UART TTL ports and the Ethernet network. It is visible in the system as a virtual COM port and configured via the website. USR-K3

Gigabit Ethernet expansion module with RTL8211E-VB chip (integrated Realtek Ethernet transceiver). It complies with 10BASE-T, 100BASE-TX and 1000Base-T IEEE 802.3 standards. Numato Lab ETHEXPGB001

2-channel converter that provides easy communication between the UART TTL serial interface and RJ45 Ethernet. Waveshare 2-CH UART TO ETH

Extending tile dedicated to ESP Thread Border Router. It allows you to add an Ethernet interface. Sparkfun WRL-25498

Ethernet Module with SPI Interface (ENC28J60 chip)

The USB to 2.5G Ethernet converter is a compact and efficient tool that extends network functionality to devices lacking an RJ45 interface. With broad system compatibility and driverless operation, it is well-suited for mobile setups, single-board computers, embedded systems, and upgrading older hardware to higher network speeds.

Internal PCIe x1 network card with RJ45 1 Gb/s port, Broadcom BCM5751 chipset, Wake-on-LAN support, low-profile bracket. Lanberg PCE‑1GB‑001

UART - Ethernet converter for bi-directional communication between devices equipped with UART TTL ports and Ethernet. It has a small footprint and SMT edge connectors so it can be easily integrated into a larger project. Waveshare UART TO ETH (B)

Serial port to Ethernet converter module based on the ESP32 series from Wireless-Tag. It integrates an optimized TCP/IP protocol stack and is characterized by extremely high performance, stability, versatility and reliability. WT32-ETH01

A UART-Ethernet converter that provides easy communication between the UART TTL serial interface and RJ45 Ethernet. Configurable via website or AT commands. Waveshare UART TO ETH

The AC1000 controller designed for WiFi network management in small and medium installations enables central management of up to 200 access points and 100 users. It supports gigabit connections, provides carrier-class functions, and offers the option of rack or desktop installation.

DEV-10864 OSHW - PoEthernet Shield

EM510 MiniMo is a programmable IoT module with ultra-compact dimensions, equipped with a single UART, Ethernet, and optional Wi-Fi/Bluetooth connectivity. EM510-00 Tibbo Technology

Internal PCIe x1 network card with 1 Gb/s RJ45 port, Realtek RTL8111C chipset, Flow Control support, low-profile bracket included. Lanberg PCE‑1GB‑201

The industrial switch USR-ISG1005 with 5 Gigabit Ethernet ports provides high throughput and reliability in industrial automation applications, monitoring systems, and IoT infrastructure. Its compact design and DIN rail mounting enable easy integration into complex industrial installations.