Patent ID: 8351377

Claim:
An apparatus for controlling DBDM (Dual Band Dual Modem), the apparatus comprising: a USB (Universal Serial Bus) port connected to a user terminal; a first modem and a second modem each performing a wireless data communication; a switching unit selectively connecting the first or the second modem to the USB port; a power converter configured to convert a voltage level of power inputted from the user terminal via the USB port and to supply an operating power to the first modem and the second modem; and a UART (Universal Asynchronous Receiver Transmitter) allowing the first and second modems to mutually transmit data, wherein one of the modems selected from the two (first and second) modems utilized for data communication of a user terminal is used for generating a wake-up signal to wake up the other modem that is not used for data communication, and the woken-up other modem receives and analyzes the data communication and transmits a data from a result of the analysis to the user terminal via the UART and the one modem performing the data communication.