A keyboard module (300) includes a printed circuit board (302), a Qwerty keyboard (304) mounted on the printed circuit board. A plurality of application buttons (308) mounted on the printed circuit board and located within the Qwerty keyboard, and a navigator button (306) mounted on the printed circuit board and located also within the Qwerty keyboard. The navigator button has four direction buttons (316a, 316b, 316c, 316d) each having a profile higher than that of keys of the Qwerty keyboard. Each of four keys of the Qwerty keyboard neighboring the navigator button is located between two neighboring direction buttons of the navigator button.