Espressif Systems ESP32-MINI-1-N4 多协议模块 SMD模块，内置4MB闪存芯片的ESP32-U4WDH，PCB天线

Frequency: 2.4 GHz

Dimensions: 13.2 mm x 19 mm x 2.4 mm

Output Power: 19.5 dBm

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

Moisture Sensitive: Yes

Supply Voltage - Max: 3.6 V

Supply Voltage - Min: 3 V

Antenna Connector Type: PCB

Operating Supply Voltage: 3.3 V

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

Supply Current Receiving: 118 mA

Supply Current Transmitting: 239 mA

Maximum Operating Temperature: + 85 C

Minimum Operating Temperature: - 40 C

Protocol - Bluetooth, BLE - 802.15.1: BLE, Bluetooth 4.2