A portable wireless communication apparatus includes a body and a pen/antenna device. The body includes a circuit board disposed therein, a recess defined therein, a conductive resilient element disposed in the recess and connected to the circuit board and a touch panel provided on the body. The pen/antenna device includes a pen for use on the touch pane to control the portable wireless communication apparatus and a telescopic antenna connected to the pen. The telescopic antenna is connected to the circuit board through the conductive resilient element when a portion of the telescopic antenna is disposed in the recess.