[Milsurplus] C-845/U control unit

[Mike Durff]

I recently came into possession of said unit. It is in VG+ condition. from the internet, it is to be used with the following sets.
Radio Set Control, C-845/U

JAN Type: C-845/U
Nomenclature: Radio Set Control
Reference: TM 11-226, 11-252, 11-691, 11-282
NSN: 5820-00-503-1004
Weight: 17.5 Lbs
Size: 8-7/16 x 13-3/4 x 13-1/2
Part of: FRC-15, FRC-27, TRC-22, TRC-28, TRC-34 
Description: Radio Set Control C-845/U is a component of Radio Set FRC-15, -27, TRC-22, -28 and -34. It provides remote-controll of the radio set at distances of up to 10 miles.
Source: TM 11-487A, 58
Manufacturer: Motorola, Inc.
Contract:
Contract Year Manufacturer Quantity
------------------- ---- ----------------- --------
11661-P-52-51 1952 Motorola, Inc. ???
43072-P-56-55 1955 Great American Ind. ???
50967-P-57-55 1955 Motorola, Inc. ??? 


Do any members have a need for this unit? I was planning to use it as a switchable speaker / monitor for several receivers. But, I would hate to modify the original config if someone needs it.
Thanks, Mike