1. Dual-core Xtensa 32-bit LX6 MCU is adopted. Integrated SPI flash 32 Mbit/ SRAM 520KB. 2. Supports TCP Server, TCP Client, UDP Server, and UDP Client working modes. 3. Supports serial port, WiFi, Ethernet, and Bluetooth-Compatible data ports in Pairs for transparent data transmission. 4. Firmware upgrade through wired network or WiFi. 5. WiFi access the Internet or LAN through the router, establish TCP/UDP connections, and access the specified server of the user. 6. Support wired network access. 7. Secondary development is supported. 8. Industrial working temperature range: -40℃~ 85℃ 9. Baud rate of serial port: 80-5000000 10. Network protocols: IPv4, TCP/UDP 11. Software encryption: AES/ RSA/ECC/SHA. Size: 55*26mm/2.2x1in The WT32-ETH01 Bluetooth-compatible Ethernet module is a compact network combo gateway designed for embedded IoT applications. Integrating both wired Ethernet and WiFi, it enables stable, high-speed TCP/IP communication in industrial control, smart home and remote monitoring projects. Color: Black Material: Plastic+Metal Package Contents: 1*WT32-ETH01 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.