Patent ID: 8724601

Claim:
A USB apparatus, comprising: a USB connector body, and an internal circuit of the USB connector body comprising: a mobile communication module, providing a network-connection function, and thereby connecting with a mobile communication network; a WLAN module, connected to the mobile communication module via a data interface, in order to provide USB apparatus to connected to a wireless local area network; a routing module, bridging the mobile communication module and the WLAN module, used for forwarding data packets between the mobile communication network and the wireless local area network; and a power management module, electrically connected with the mobile communication module and the WLAN module for performing power allocation among the modules; a USB interface being an interface of the USB connector body for taking an external power source; wherein the USB apparatus includes a routing mode and a dongle mode; when under the routing mode, the USB apparatus takes power from a computer system via the USB interface, and simultaneously performs a routing function between the mobile communication network and the wireless local area network; when under the dongle mode, the computer system is directly connected with the USB apparatus, and connects to the mobile communication network through the USB apparatus.