ITEM NAME:ESP8266 Remote Serial Port WIFI Wireless Module Through Walls Wang ESP-12F JR Feature: ESP8266-12F is an enhanced version ESP8266-12, improve peripheral circuits, four plate board technology, enhanced impedance matching, the signal output is better, whether it is stable or anti-jamming capability, PCB antenna through specialized laboratory testing, a perfect match after ROHS certification, have been greatly improved! For users before selecting the ESP-12, it does not matter even if the product has been made, enhanced version is fully compatible with previous firmware, the pin has added the ESP-12 on the basis of six IO ports, SPI mouth leads, develop more convenient, application more extensive! Specificationï ¼â€º Type: ESP-12F Standards Certification: FCC / CE / TELEC Wireless standards: 802.11 b / g / n Frequency range: 2.4GHz-2.5GHz (2400M-2483.5M) Data interface: UART / HSPI / I2C / I2S / Ir Remote Contorl GPIO / PWM Operating voltage: 3.0 ~ 3.6V (recommendation 3.3V) Working Current: Average: 80mA Operating temperature: -40℃~125℃ Storage temperature: Nomal temperature Package include: 1pc x ESP8266 Remote Serial Port WIFI Transceiver Wireless Module Esp-12F AP+STA.1pc x ESP8266 Remote Serial Port WIFI Transceiver Wireless Module Esp-12F AP+STA. ESP8266-12F is an enhanced version ESP8266-12, improve peripheral circuits, four plate board technology, enhanced impedance matching, the signal output is better, whether it is stable or anti-jamming capability, PCB antenna through specialized laboratory testing, a perfect match after ROHS certification, have been greatly improved!