WEMOS D1 mini Pro 4MB ESP8266EX + 2.4GHz antenna

Specification:

• The module is based on the ESP8266EX system

• 3dB ceramic antenna

• U.FL antenna connector (IPX)

• Built-in flash memory: 4MB

• Wi-Fi connectivity in the 802.11 b / g / n standard

• Works in AP (Access Point), STA (Standalone), AP + STA modes

• Supports TKIP, WEP, CRC, CCMP, WPA / WPA2, WPS

• Power supply: 3.3V (or 5V via USB port)

• RISC 80MHz processor (also working at 160MHz)

• 9 GPIO ports - PWM / I2C / SPI / 1-Wire

• ADC converter - 10-bit

• Micro USB connector