Feature: 1. Dual-core Xtensa 32-bit LX6 MCU is adopted. Integrated SPI flash 32 Mbit/ SRAM 520KB. 2. Supports Server, , UDP Server, and UDP 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. WiFi access the Internet or LAN through the router, establish /UDP connections, and access the specified server of the . Support wired network access. Secondary development is supported. Industrial working temperature range: -40~+85 rate of serial port: 80-5000000 Network protocols: IPv4, /UDP Software encryption: / /ECC/ Specification: Size: 55 x 26mm/2.2x1in Material: plastic+metal Color: as shown Package Contents: 1 x Wireless WiFi Module Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.