The ESP-12F ESP8266 Wifi Board is the next upgrade to the ESP-12E ESP8266 Wifi Board. Pins and footprint are fully Compatible with ESP-12E and our ESP8266 Adapter Plate. Breakthrough design, there are new breakthroughs, based on ESP-12E. New four-layer board design. New revision antenna RF performance optimization, communication distance is increased by 30% -50% compared to ESP-12E. Semi-hole chip technology, the whole IO leads, with metal shielding shell. Built-board PCB antenna. 4M bytes SPI Flash for programming. Passed FCC & CE & RoHS certification. Try it, You'll like it!
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