DFRobot ESP32-S2-MINI-1 Module (PCB Antenna) is a generic Wi-Fi® module that has a rich set of peripherals. This module is embedded with an ESP32-S2FH4 chip, an Xtensa® 32-bit LX7 CPU that operates at up to 240MHz and features a PCB antenna. The ESP32-S2-MINI-1 module operates from 3V to 3.6V power supply range, -40°C to 85°C operating temperature range, and provides 4MB external SPI flash. This module comes with a PCB antenna and features 128KB ROM, 320KB SRAM, and 16KB SRAM in RTC. The ESP32-S2-MINI-1 module is used in applications such as USB devices, image/speech recognition, home automation, wearable electronics, smart POS machines, mesh network, and Over-the-top (OTT) devices.