I have a excellent mint condition Elecraft K3S. 2.7khz, 1khz, 400 hz filters. Works great with perfect output on all bands. Purchase date of April 2016. No ATU or subreceiver. includes 100w amp. kant3 so239. USB CAT control with audio in and out via usb. Serial #107xx. $2400 plus shipping. I would also consider a trade for a Anan 7000 or Flex 6500. I accept check, money order or paypal (from verified account only) .