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.