The internal automatic antenna tuner can be added to any Orion or Orion II that does not have the autotuner already installed as a user-installable kit. The kit includes a completed circuit board, all necessary cables, and illustrated instructions. The AT566K is a no soldering required installation.
Posted by Michael Zeglen KL7ai on 30th Oct 2011
After using Icom, Yaesu, old Drake and then moving to Ten Tec Orion I must say that there is NO equal here. You can't go wrong with the Orion 1 and if you can grab and Orion II do so as you will not be sorry. Great SSB audio and simply the best CW rigs out there.