The USB - dual serial port adapter from http://www.usbwholesale.com/us232%202port.htm has worked well for me on a number of radios and programs. FWIW, I couldn't get the PCcables 70607 adapter to work. 73, Barry N1EU __________________________________ Do you Yahoo!? Read only the mail you want - Yahoo! Mail SpamGuard. http://promotions.yahoo.com/new_mail