Features: UART to WiFi and Ethernet serial port server, industrial grade integrated 802.11b/g/n module, can achieve bidirectional transparent transmission of TTL serial port, WiFi wireless network, and Ethernet port. It combines multiple functions such as serial server, Modbus gateway, MQTT gateway, UART to HTTPD client, etc. Support UART to WiFi, RS485 to Ethernet, Ethernet to WiFi, and other functions. Supports TCP Server, TCP Client, UDP Server, UDP Client. Supports APmode, STA mode, and AP+STA mode. Small size, easy installation, and high cost-effectiveness, suitable for data collection, IoT gateways, security IoT, and intelligent instrument monitoring fields. Specifications: Material: Printed Circuit Board Advantages: Supports bidirectional data transmission, stable and reliable Equipped with high-speed transmission capability, providing fast response Compatibility with multiple operating system, easy to integrate Simple configuration, easy to use Package Includes: 1Pc UART-WIFI232-B2 Serial Server 1Pc IPX 2.4G 2DB Antenna note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.