Espressif Systems ESP32-WROOM-32U-N4 多协议模块 SMD模块，ESP32-D0WD，32Mbits SPI闪存，UART模式，U.FL天线连接器

Security: WPA, WPA2, WPA2-Enterprise, WPS

Data Rate: 150 Mb/s

Frequency: 2.4 GHz

Dimensions: 18 mm x 19.2 mm x 3.2 mm

Unit Weight: 800 mg

Output Power: 18.5 dBm

Interface Type: I2C, I2S, PWM, SDIO, SPI, UART

Moisture Sensitive: Yes

Supply Voltage - Max: 3.6 V

Supply Voltage - Min: 3 V

Antenna Connector Type: External

Operating Supply Voltage: 2.7 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: BLE, Bluetooth 4.2 BR/EDR