K3/100 Serial #250 with following options: KAT3 internal tuner KXV3 IO board KPA100 500 hZ cw filter. Gold pins on KPA and KREF boards. 12V rear panel mod. DSP upgrade board. Back from Elecraft in Jan 2016. Reason for selling-bought K3s. Will be shipped from W3FPR QTH to CONUS. $1995 plus 1/2 shipping.Checks OK. Tom K6CT 305-767-1927