For sale is a rare vintage RCA MI-11665 High Level Isolation Unit. The RCA model sticker tag label reads: High Level Isolation Unit Type BA-71A MI-11665 Radio Corporation of America Camden N.J. Made in U.S.A. We have multiple available, listed price is for a single unit. Two come in original boxes. They are sold as-is, untested, no warranties, guarantees, refunds or returns, for parts/repairs. We could test, service and rack these for additional costs, contact us if interested (these costs will be significantly higher than the asking price). These came from a radio station environment originally but were probably unused for the past 30+ years, from previous employee collector who kept them in his climate controlled smoke free home. Pictures are an example of one of the units but they may arrive with slight variations and you aren't guaranteed to get the exact one pictured. Serial numbers appear to be M1022 / M3986 / M1095 / M1117 / M3639 / M3558 / M1130. The two units in original boxes are M3969 / M3951.
