MG3 USB Mini Gateway - MG3 USB Mini Gateway, powered by USB, is a plug-and-play Bluetooth® Wi-Fi gateway embedded with ESP32 microchip, which is ideal for data transmission and collection of Bluetooth® devices. The collected Bluetooth device signals are encapsulated into JSON packets and sent over Wi-Fi. Users can remotely monitor Bluetooth devices on the cloud platform for typical uses. A system with MG3 can lower the cost and improve efficiency while maintaining precision, making it suitable for being deployed in logistics, healthcare, office, and other scenarios.