The CAT on my 990 isn't working. The interface I have is a chip and small circuit board in the DB25 shell, 12V power. Anybody know who made it? Or how to test either the interface or the radio? Thanks, Mike NF4L -- FAQ on WWW: http://www.contesting.com/FAQ/yaesu Submissions: yaesu@contesting.com Administrative requests: yaesu-REQUEST@contesting.com Problems: owner-yaesu@contesting.com