ITEM NAME:ESP8266 ESP-12F Wifi Serial Module Board for Description: The ESP-12F module is a shielded breakout board that combines the ESP8266 with 4MB of flash and a PCB antenna. The ESP-12F is an improved version of the 12E. It is pin compatible, with more stable output and a better antenna. The default firmware can add WIFI capability to another microcontroller over a serial interface, but this little chip really shines when loaded with Arduino, UNO 2560 R3. The built-in cloud service feature allows you to access global remote control with three instructions. Package Includes: 1 Piece ESP-12F Wireless WIFI Module.The ESP-12F module is a shielded breakout board that combines the ESP8266 with 4MB of flash and a PCB antenna. 1 Piece ESP-12F Wireless WIFI Module. It is pin compatible, with more stable output and a better antenna.