WiFi + Bluetooth Unit ESP-WROOM32 based on the ESP32 chip.

A chip from the ESP32 family for WiFi network communication in the 2.4 GHz band and Bluetooth BLE / v4.2. It operates on a voltage of 2.2 V to 3.6 V and is available in SMD packaging for surface mounting. The chip features 32 GPIO pins along with popular interfaces such as: UART, SPI, I2C.

• Supply voltage: 2.2 V to 3.6 V
• Current consumption: approximately 80 mA
• Current consumption in deep sleep mode: approximately 6 uA
• WiFi standard: 240 MHz SRAM
• Flash memory: 520 KB flash memory
• WiFi 802.11BGN HT40
• WiFi security: RSA-4096
• Bandwidth: 2.412 GHz to 2.484 GHz
• Integrated Bluetooth BLE unit
• Integrated Hall sensor and touch interface
• Operating temperature: from -40 °C to +125 °C
• Dimensions: 20 x 18