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: 80-5000000Network protocols: IPv4, /UDPSoftware encryption: / /ECC/Specification:Size: 55 x 26mm/2.2x1inMaterial: plastic+metalColor: as shownPackage Contents:1 x Wireless WiFi ModuleOnly 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.