I have a Buxcomm radio to serial port interface which I picked up in a FT817 deal. This is the interface for the computer control of the FT817, and I think it will work with the FT100D also, but don't quote me on that. I will send it to you for $11. 73s John NE0P __________________________________ Do you Yahoo!? Exclusive Video Premiere - Britney Spears http://launch.yahoo.com/promos/britneyspears/