Specifications:

ESP32-WROOM-32 Module
WiFi, BT+BLE microcontroller
Integrated PCB antenna
4MB SPI Flash Memory
Hope RFM95W LoRa modem
Frequency range: 868/915 MHz
Spread factor: 6-12
SPI control interface
U.FL antenna connector for LoRa radio
Reset and ESP32 pin0 buttons
14 GPIO ESP32 pin-breakouts
Power and user LEDs
Qwiic connector
CH340C USB-to-Serial interface
Micro-B USB connector for power and programming
All current consumption tested at 5V
~170 mA when formatting SPIFFS in Gateway mode
~150 mA when searching for WiFi network in Gateway mode
80 to 100 mA in steady operation of Gateway
~70 mA when using the LoRa Device example