ESP-12E is an improved 8Mbit version Wi-Fi Module based on ESP8266 SOC, It has PCB trace antenna for stable operation. This WiFi module serially communicates with microcontroller. it has 9 GPIO, 1ADC and RX,TX line available for IOT projects and any sensor connection. ESP-12E module comes with 2 mm pitch pads for its connection. This WiFi module works with 3.3V supply. ESP12E is a enhanced version of popular ESP12 module with some additional features.