FS: ROCKWELL COLLINS 851S-1 Working Condition: Working Cosmetic Condition: Clean Front Panel Cosmetic condition: Excellent. Filters : USB(A8),LSB(A7) and 3filters(16kHz,6kHz,0.37kHz,0.2kHz) Options : A4(VBFO),A7,A11,A12,A13 Boards Step: 10Hz Manual: Copied Included(2 volume) USD8,000 or Best offer Best regards 73 akio<JA>