The Wurth Elektronik 2.4 GHz Radio Module without firmware supports IEEE 802.11 b/g/n Wi-Fi and Bluetooth LE 5.0 protocols, offering versatile wireless communication options. It is based on the 32 bit RISC-V single core processor, the Espressif ESP32-C3, with a clock speed of up to 160 MHz. Internal PCB antenna
UART SPI I²C and ADC interfaces
4 MB flash memory and 400 kB RAM
15 configurable GPIOs