Espressif Systems ESP32-WROOM-32E-H4 多协议模块 SMD模块，ESP32-D0WD-V3，ESP32 ECO V3，4 MB SPI闪存，PCB天线，-40°C至+105°C

Frequency: 2.4 GHz

Dimensions: 18 mm x 25.5 mm x 3.1 mm

Output Power: 19.5 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: PCB

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

Maximum Operating Temperature: + 105 C

Minimum Operating Temperature: - 40 C

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