A mounting frame for hard disk includes a frame and latching members, the frame includes two opposite frame arms including a wall and supporting bases laterally extending from one wall toward the other wall, the wall defines receiving grooves to form wall sections, and a compartment is defined between opposite wall sections. A window switch is operated to move a corresponding window glass. Combustion gas generated is designed to be discharged through said gas-permeable porous body 40. Accordingly, the gas socket has a bonnet that shuts the connector opening at the outlet socket by means of a cover when the gas connector plug is disconnected, and where said cover is equipped with a latching device. A conductive layer is formed on a top surface of the carrier board, the protection layer and the cavity. The control module may increase a transmit power level for data packets to be transmitted from the transmitter module when a first set of conditions is not satisfied.