Espressif Systems ESP32-S2-MINI-2U-N4R2 WiFi模块 SMD模块，ESP32-S2FN4R2 ECO1，内置4MB闪存芯片和2MB PSRAM芯片，IPEX天线连接器

Data Rate: 150 Mb/s

Frequency: 2.412 GHz to 2.484 GHz

Dimensions: 15.4 mm x 15.4 mm x 2.4 mm

Interface Type: I2C, I2S, SPI, UART

Protocol Supported: 802.11 b/g/n

Supply Voltage - Max: 3.6 V

Supply Voltage - Min: 3 V

Maximum Operating Temperature: + 85 C

Minimum Operating Temperature: - 40 C