If this is a hobby or small-run project, you might want to consider that several of the "surplus" electronics dealers have "IRDA Modules" consisting of the some IRDA transceiver and a couple of passive parts mounted on a small PCB with flex cable or wires coming off, such as: http://sales.goldmine-elec.com/prodinfo.asp?prodid=2622 BillW -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics