I have a K2 with all options except KAF2. V2.0 firmware. Ser #0068 Rev A. Yaesu knob included. Very nicely built in 4:1 balun mod (totally reversible) using transverter holes on back. Beautiful radio, works FB. Asking $795 + UPS. All docs and manuals + KIO2 cables, etc. Pete W6WY nr Redding CA