Espressif Systems ESP32-S2-SOLO-2-N4 WiFi模块 SMD模块，ESP32-S2 ECO1，4 MB SPI闪存，PCB天线

Data Rate: 150 Mb/s

Frequency: 2.412 GHz to 2.484 GHz

Dimensions: 25.5 mm x 18 mm x 3.1 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

Maximum Operating Temperature: + 85 C

Minimum Operating Temperature: - 40 C