User Manual:https://github.com/SmartArduino/SZDOITWiKi/wiki/ESP8266---ESP32
?ESP32 is already integrated antenna and RF balun, power amplifier, low-noise amplifiers, filters, and power management module.
?The entire solution takes up the least amount of printed circuit board area.
?This board is used with 2.4 GHz dual-mode Wi-Fi and Bluetooth chips by TSMC 40nm low power technology, power and RF properties best, which is safe, reliable, and scalable to a variety of applications.