This unit, also known as a df receiver, downconverts the highband signals from the quadrant antennas to baseband under the control of the system software
Supplementary Features
Oper power reqmts: +48 vdc - 0.03 amps, +15 vdc - .6 amps, -5 vdc - .55 amps, -15 vdc - .19 amps; hard mounted to aircraft; designed for airborne installation