So, this is apparently a $450 remote:
http://www.analogueseduction.net/use...0120823_08.jpg
This is the alternative $160 QX-5 remote (looks very Levinson like) which apparently works with the KX-R:
http://uploads.tapatalk-cdn.com/2016...aa57fbcdc6.jpg
Outside of that, you get a programmable remote that has a KX-R profile like a harmony.