ESP-2100 RS485 Modbus RTU to Ethernet TCP/IP Serial Server for IOT Solutions Manufacturers, Factory - Eastron Electronic Co., Ltd.
Adding a cheap Ethernet Port to your ESP (revisited) | esp8266hints
The New ESP-32S3 Dev Board Features an Ethernet and MicroSD Card Slot - Electronics-Lab.com
ESP CABIP20 External Grade 20M Camera Extension Cable - RJ45
ESP-2100 RS485 Modbus RTU to Ethernet TCP/IP Serial Server for IOT Solutions Manufacturers, Factory - Eastron Electronic Co., Ltd.
Wireless-Tag WT32-ETH01 Original Embedded Serial Port to WiFi Ethernet Module , Networking Bluetooth + WiFi Combo Gateway Module, RJ45 Network Port / LAN8720: Amazon.de: Computer & Accessories