Espressif Systems ESP32-S2-MINI-2-N4R2 WiFi模块 SMD模块，ESP32-S2FN4R2 ECO1，带4MB闪存，2MB PSRAM，PCB天线

Data Rate: 150 Mb/s

Frequency: 2.412 GHz to 2.484 GHz

Dimensions: 20 mm x 15.4 mm x 2.4 mm

Interface Type: I2C, I2S, SPI, UART

Moisture Sensitive: Yes

Protocol Supported: 802.11 b/g/n

Supply Voltage - Max: 3.6 V

Supply Voltage - Min: 3 V