<p>A data card which includes a USB head (1), a circuit board (2) and a signal inputting device(3) for switching on the USB head (1) and the circuit board (2) is provided. The signal inputting device(3) comprises: a bracket (4)mounted on the circuit board(2), the USB head (1)is set on the bracket(4); a connector(5), which is set on the circuit board(2) and can be connected to the USB head (1) to be switched on. The data card applies the connector (5) to realize the signal inputting, raises the working life of the data card and reduces the cost highly.</p>
