3Pcs Geekcreit® ESP-F ESP8266 Remote Serial Port WiFi IoT Module Nodemcu LUA RC Authenticity Compatible With ESP-12F

Introduction: ESP8266-F is an enhanced version of ESP8266-12E, improve the peripheral circuit, the four laminates plate process, enhanced impedance matching, the signal output is better, it is stable with anti jamming ability, PCB antenna after professional laboratory testing, perfect matching, after ROHS certification, have been greatly improved. The enhanced version is fully compatible with the firmware before the ESP-12, based on the SPI and the new six IO port, mouth extraction, development is more convenient, application is more widely. ESP8266-F built-cloud services that you can use three commands into the global remote control function. ESP-F: ground-breaking design, the new four-layer board design, the new revision antenna RF performance optimization, increased by 30% -50% Communication distance compared to the ESP-12E. Semi-hole chip technology, the whole IO leads, with metal shielding shell, has passed FCC & CE & RoHS certification, built-board PCB antenna, 4M bytes Flash. Package included: 3 x ESP-F ESP8266 Remote Serial Port WiFi IoT Module