An apparatus and method for transmitting and receiving a bit stream. Input data corresponding to a first sampling window with respect to the second sub-pixel of the first pixel among the input data applied to the stripe pattern is used to render a second data signal supplied to the second sub-pixel through filtering sampled input data for a color of the second sub-pixel. The personal communication device decodes the data signal and at least a portion of the data is used by the personal communication device to establish a communication connection with another device or network. Since the cache memory and the non-volatile memory can be accessed from the data processing device independently, improvement in usability can be achieved. The device further comprises an intermediate distribution chamber for the compressed gas, which chamber is arranged between the inlet and the air intake chamber in order to connect the one to the other, and ejection holes arranged so as to open into a lateral wall of the air intake chamber in order to connect the latter to the intermediate distribution chamber.