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 by TSMC 40nm low power technology, power and RF properties best, which is safe, , and scalable to a of applications.High performance- Small volume, embeded to other productsStrong function with support LWIP protocol, FreertosSupporting three modes: , STA, and +STASupporting Lua , to developType:ESP-32S Development Board Modulecolor:BlackMaterial:PCBPackage Contents:1 x Development BoardOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.