Protocol Support: Fully supports TCP Server/Client, UDP Server/Client, HTTP Client/MQTT protocols. Flexible Networking: Supports three working modes: AP (hotspot), STA (connected to router), and AP+STA. Backend Management: Provides an intuitive local web management interface; no dedicated software download is required, and all parameter configurations can be completed through a browser. Advanced Functions: Supports heartbeat packets, registration packets, OTA remote upgrades, and parameter recovery. The YH_WT232_M1 is a multi-functional, multi-protocol, WiFi serial port pass-through device. Part Three: Hardware Specifications • Main Control Chip: RISC-V 32-bit processor, 160MHz clock speed • Wireless Network: 2.4G • Transmission Interface: WIFI/RS232 • Default Management IP: 10.10.0.50 Username: admin Password: 1234567 • Default Serial Port Parameters: Baud rate 9600, Parity N, Data bits 8, Stop bits 1 • Operating Power: DC9-24V, Average 80mA, Peak 200mA • Antenna Type: Standard 2.4G rod-shaped 11cm antenna • Installation Method: DIN35 rail or mounting hole installation Color: Blue Material: ABS Package Contents: 1*WiFi serial port pass-through device