??? ???????? ??????? ??-?? ????? ? ??? ???? ??????? ????, ???? ??? ?????? ???? ?????? ??-?? ???? ?? ? ??? ??????? ????? ???????Infrared port IrDA (Infrared Information Association) is undoubtedly an old info sharing engineering inside the means of Infrared Port. It makes use of a beam of infrared light-weight to transmit information and so requires