ESP32-S2 is a powerful Wi-Fi module. The core processor ESP32-S2 of the module is a highly integrated low-power Wi-Fi system-on-chip (SoC) designed for the Internet of Things (IoT), mobile Designed for various applications such as devices, wearable electronic devices, and smart homes.ESP32-S2 has industry-leading low-power performance and RF performance, supports IEEE802.1 1b/g/n protocol, integrates Wi-Fi MAC, Wi-Fi RF and baseband, RF switch, RF Balun, power amplifier, low frequency Noise amplifier, etc.Type: Logic ICsModel Number: ESP-12K Wireless WIFI ModuleProduct Parameter :Antenna form: onboard PCB antenna/IPEX holderSpectrum range: 2400 ~2483.5MHzWorking temperature: -40°C~ 85 °CStorage environment: -40°C- 125 °C, Less than 90%RHPower supply range: power supply voltage 3.0V ~ 3.6V, power supply currentGreater than 500mASupport interface: UART/GPIO/ADC/PWM/SPI/I2C/L CD/I2S/Camera/IRUSB/DACSerial port rate: support 110~4608000 bps, the default is 115200 bpsSecurity: WEP/WPA-PSK/WPA2-PSKSPI Flash: default 32Mbitcolour:BlackMaterial:plasticPackage Contents:1 x WIFI ModuleOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.