Fangrui Product Details Esp32-etho1 Is An Embedded Serial-to-ethernet Module Based On The Esp32 Series. The Module Integrates An Optimized Tcp/ip Protocol Stack, Which Makes It Easy For Users To Complete The Networking Function Of Embedded Devices, Greatly Reducing The Development Time Cost. It Has Ultra-high Rf Performance, Stability, Versatility And Reliability, As Well As Ultra-low Power Consumption. The Module Board Width Is A Universal Width. The Module Can Be Directly Welded On The Board, The Connector Can Be Welded, And It Can Also Be Used On The Breadboard, Which Is Convenient For Users To Use In Different Scenarios. Wifi Frequency Range: 2.4-2.5 Ghz Network Port Specifications: Rj45, 10/100mbps, Cross-connection And Direct Connection Adaptive Serial Port Baud Rate: 80-5000000 Onboard Flash: 32mbit Operating Voltage: 5v Or 3.3v Power Supply (choose One) Operating Current: Average: 80ma Power Supply Current: Minimum: 500ma The Product Appearance And Printed Words May Vary Depending On The Batch, But This Does Not Affect