Enhanced Networking Capabilities: The W5500 Ethernet network module offers superior hardware TCP/IP capabilities, making it ideal for integrating with 51 and STM32 microcontrollers. This module surpasses the older W5100 model, providing more efficient and reliable network communication for your projects. Optimized for Versatile Applications: Specifically designed for a wide range of applications, this module is perfect for computer networking tasks, including switches and sensors compatible with Arduino STM environments. Its versatility ensures it meets the needs of both hobbyists and professional developers. Robust Operating Conditions: Engineered to operate effectively in extreme conditions, the W5500 module functions within a temperature range of -40 to +85 degrees Celsius. This durability makes it suitable for demanding applications and environments, ensuring reliable performance under various thermal conditions. Energy Efficient and Low Power Consumption: The module operates on a low dissipation power of 3-5V, making it an energy-efficient choice for your electronic projects. This feature not only helps reduce operational costs but also supports environmentally friendly practices by minimizing energy usage. Energy Efficient and Low Power Consumption: The module operates on a low dissipation power of 3-5V, making it an energy-efficient choice for your electronic projects. This feature not only helps reduce operational costs but also supports environmentally friendly practices by minimizing energy usage. Color: As Shown Material: Metal Specification: Mini W5500 Package Contents: 1 W5500 Ethernet network module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.