[Boatanchors] Looking for an ID on Navy Multicoupler

[Llgpt at aol.com]

A friend recently acquired a couple of multicouplers. I'm unable to find  any 
info on the Internet and was wondering if there are any more of these out  
there?
 
Here is the information on the nomenclature tag on the front panel.
 
                                                                              
              Serial No. A4
 
                                                 28355 - 0135929
                                          MF/HF MULTICOUPLER
                                                  CU - 2279/BRC
                         DES. ACT.: NAVALEX CTR, CHARLESTON, SC
                                 CONTRACT   N00612 - 84 - D - 0105
 
It has 2 N connectors for inputs on the rear panel. Each input  has 4 bnc 
outputs, plus a bnc test output for each channel. The front panel has  a on-off 
power switch, a fuse and channel A and B buttons. It is rack mounted,  and  
3-1/2" high. Operates off of 120 volts.
 
Beautifully built, operates from 100 kc to about 12.8 ghz. no  loss apparent 
when not turned on and approximately 6 db gain when on.
 
Any information out there?
 
Les Locklear