An incomplete Apollo Block 2 Command Module communication ranging generator, base section measuring 8 x 3.75 x 3.5 and upper portion measuring 4.75 x 2.5 x 1.25, with multilayered base marked A2-A11 with corresponding serial numbers 1014-1018; the upper section, connected by a system of four wire clusters, is marked on the underside with part numbers: "(ASSY) 8359233-502, Serial No. 1019," and top panel featuring three inputs or ports marked J1-J3. In very good to fine condition, with expected wear from use.