What is an "AMU"?


"601XL Builder" wrDOTgiacona@coxDOTnet wrote in message
...
I really want an SL30 Nav/Com for my 601XL for several reasons. I've
been looking around and I can get a non-installed with wiring harness
for around 3 AMUs. What surprises me is that used ones are selling on
e-bay for just about the same amount.