Specification: Origin: Mainland China Description: Fully compatible with the original serial transparent Bluetooth electrical interface and physical interface; Built-in industrial transparent transmission firmware V3.0, using Web configuration, stable and reliable; Built-in high-performance WiFi module ESP-M2, size: 34mm*17mm*4mm; Working voltage: 4.5V~6.0V, TTL working voltage: 3.3V (compatible with 5.0V); Provided pins: STATE, TXD, RXD, EN; Average current: 80mA, 170mA when sending data, 20μA in deep sleep; Support serial port AT commands; Support reprogrammable, OTA firmware update; Serial port and WiFi seamless transparent transmission; Built-in HTTP Web Server, support parameter configuration through web pages; Support WiFi STA mode and TCP Automatic reconnection in Client mode; Supports setting baud rate, data bit, parity, stop bit and/or packet time; Support baud rate (bps): 300/600/1200/2400/4800/9600/19200/38400/57600/74800/115200/230400/460800/921600/1843200/3686400; Support AP enablement, custom SSID/password, custom IP and network duration; Automatically scan surrounding WiFi hotspots, support STA enablement, DHCP, custom IP; Support TCP Server, TCP Client, UDP Server, UDP Client, UDP local broadcast; Support automatic DNS resolution of remote server address; Support viewing status through AT commands; Provide IO4 to display WiFi status; Working temperature: -40℃~125℃; Application areas: smart home, wireless data connection and transparent transmission, smart car control, wireless serial printer, LED light industrial control, etc. Use of Web configuration: This module has built-in HTTP Server, so there is no need to use other tools or apps, and the parameters can be configured directly through the browser on smart devices such as PC or mobile phones. When leaving the factory, the module works in AP mode, and the signal is "Doit_WiFi_xxxxxx", where "xxxxxx" is the last 6 digits of the MAC address of this module. You can connect to the WiFi hotspot through smart devices such as PC or mobile phones (support for Android, Compatible with IOS/Windows) without a password. Product size: 34.00x17.00x5.00mm/1.34x0.67x0.2inch Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1*WiFi Serial Port Transparent Transmission Module 1.Wireless Connectivity: Utilize seamless WiFi integration for serial communication with our DT-06 wifi serial port transparent transmission module, offering a convenient and rapid connection ideal for IoT and remote monitoring applications. This wireless mode is not only user-friendly but also adaptable to various environments, ensuring your devices stay interconnected effortlessly. 2.High-Speed Data: Experience swift and stable serial communication with the DT-06 serial TTL-WIFI transmission module's high-speed data transfer capabilities. Designed for applications where speed and accuracy are paramount, our module guarantees the timely and precise exchange of information, keeping your operations running smoothly. 3.Flexible & Scalable: The DT-06 serial TTL WIFI transmission module boasts exceptional flexibility and scalability, connecting effortlessly with a multitude of serial devices. With support for various serial protocols, it's perfectly suited for a diverse range of device interfaces, ensuring your setup is future-proof and adaptable. 4.Energy-Efficient: Profit from the DT-06 TTL to WIFI transmission module's low power consumption design, which significantly extends device runtime while minimizing energy use. This feature is crucial for applications requiring long-term operation, offering sustainability and reduced operational costs. 5.User-Friendly: Achieve serial communication with ease using the DT-06 serial port module's straightforward configuration and setup process. Its user-friendly nature removes the complexity from establishing connections, making it accessible for both novices and professionals alike.