Espressif Systems ESP32-MINI-1U-N4 多协议模块 SMD模块，内置4MB闪存芯片的ESP32-U4WDH，ESP32 ECO V3，IPEX连接器

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

Maximum Operating Temperature: + 85 C

Minimum Operating Temperature: - 40 C

Protocol - Bluetooth, BLE - 802.15.1: Bluetooth 4.2