SKU : A18011 DT-06 Wireless WiFi Serial Port Transparent Transmission Module TTL to WiFi Compatible with Bluetooth HC-06 interface ESP-M2 Product Features: Fully compatible with the original electrical interface and physical interface for the serial transparent Bluetooth Built-in the industrial transparent transmission firmware V3.0 with stability and reliability by using the Web Configuration Built-in the high-performance WiFi module ESP-M2 with 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; when data sent, it is 170mA; but it is 20μA at deep sleep mode Support serial AT command Support re-programmable, OTA firmware update Seamless transparent transmission between serial and WiFi Built-in HTTP Web Server, support configure parameters by web page Support re-connect automatically at WiFi STA mode and TCP Client Support set baud rate, data bit, parity check, stop bits, and/or subcontracting time Support baud rate (bps): 300/600/1200/2400/4800/9600/19200/38400/57600/74800/115200/230400/460800/921600/1843200/3686400 Support AP enable, self-defined SSID/password, self-defined IP, and network duration Automatically scan the peripheral WiFi hotspot, support STA enable, DHCP, self-defined IP Support TCP Server, TCP Client, UDP Server, UDP Client and UDP local broadcast Support DNS resolution automatically for the remote server address Support checking the status by AT command Provide IO4 to show the WiFi status Working temperature: -40℃-125℃ Applications: smart home, wireless data connection and transparent transmission, smart car control, wireless serial printer, LED light industrial control etc.