Intermediate fre (1f) singnals received: 60 and 160 mhz freq: 2channels; if processing; digital processing; oper power reqmts -dc: +15v at 28a; +6vat 0.6a; +12v at 1.4a; +15v at 0.4a; +24v at 0.5a; -12v at 1.2a -6v at 0.5a -15v at 0.7a; o/all dim and wt: 22.75 in. Lg x 12.25 in. H x 19 in. Wt 105 lbs; rack mounted; function: designed to receiver if singals from sensor uni t, at 160mtz