PIC-4704 IFB Central Electronics Rack Mount

PIC-4704 IFB Central Electronics Rack Mount (1RU), requires
MA-704/AX-704 controllers or MS-812/IFB card option and IC-25-6 or similar

Each IFB Controller handles up to four Talent Receivers. For use with
MA-704 and AX-704 IFB Control Panels or intercom stations. This unit
contains the circuitr...