Espressif Systems ESP32-C3-WROOM-02-N4 多协议模块 SMD模块，ESP32-C3，4MB SPI闪存，PCB天线，-40°C - +85°C

Data Rate: 150 Mb/s

Frequency: 2.4 GHz

Dimensions: 18 mm x 20 mm x 3.2 mm

Output Power: 20.5 dBm

Interface Type: GPIO, I2C, I2S, SPI, UART

Moisture Sensitive: Yes

Supply Voltage - Max: 3.6 V

Supply Voltage - Min: 3 V

Antenna Connector Type: PCB

Operating Supply Voltage: 3 V to 3.6 V

Protocol - WiFi - 802.11: 802.11 b/g/n

Maximum Operating Temperature: + 85 C

Minimum Operating Temperature: - 40 C

Protocol - Bluetooth, BLE - 802.15.1: Bluetooth 5.0