Fecha de publicación: 25/01/2022 Fuente: Wipo "IOT" The utility model is applied to the technical field of Internet of Things, and provides an IOT device, which comprises a wake-up circuit, the wake-up circuit comprises a control chip, and the control chip comprises a universal asynchronous receiver/transmitter (UART) sending pin; the IOT module comprises a first level conversion module, a baseband chip, a UART (Universal Asynchronous Receiver/Transmitter) receiving pin and a PSM (Power Saving Mode) awakening pin, the baseband chip is connected with a first end of the first level conversion module, a second end of the first level conversion module is connected with the PSM awakening pin, and the PSM awakening pin is connected with the UART sending pin. Therefore, the switching of the wake-up logic can be realized.