ESP32 is already integrated with antenna and RF balun, power amplifier, low noise amplifiers, filters, and the power management module.
The entire solution is the least amount of PCB area. this board is 2.4 GHz dual mode WiFi and bluetooth chips by tsmc 40nm low power technology, power and optimized RF characteristics, which is safe, reliable, and scalable to a wide range of applications.
Small volume, easy embeded to other products
Strong function, with the support of lwIP protocol, freertos
Support three modes: AP, STA and AP+STA
Support for lua program, easy to develop
1 x Wemos® ESP32 OLED Module