Ximimark 2Pcs ESP8266 Serial Port WiFi Wireless Transceiver Send Receive Module WiFi Remote Wireless Control Module ESP-03

Specifications: Standard 3.3VDC operation with 5V compatible I/O. Standard 3 wire (TXD/RXD/GND) serial communication (idle high) at 115200/8/N/1. Standard 0.1" (2.54mm) half through hole. Upgradeable firmware. Three mode of operations: Client/Access Point/Both Client and Access Point. Support all major security schemes: OPEN/WEP/WPA_PSK/WPA2_PSK/WPA_WPA2_PSK. Support both TCP and UDP communication. Working as TCP/UPD server supports up to five (5) connections. Note: The installation of electronic modules requires basic knowledge and requires a certain electronic professional foundation and hands-on ability. Please purchase carefully! Manual measurement, with small error. Please check size in detail before purchase. Real colors may slightly differ from the pictures, as it depends on specific monitor settings and light brightness. We highly appreciate all customers opinions to improve the selling, also if anything you unsatisfied, please contact us for probable best solution. Package Includes: 2Pcs