[Milsurplus] RBB/RBC IF bandwidth?

[W2HX]

Hello all,

I have recently picked up an RBU-2 panadapter. It is for an RBB and can display 50 kc of IF bandwidth.  The RBV panadapter will display 100 kc of IF bandwidth and used with the RBC. My question is, does the RBC actually have a wider IF than the RBC or, do they both have 100 kc bandwidth but the RBU panadatper just shows 50 kc of it?

And, does anyone have a nice (preferably navy gray) RBV they want to part with? I can pick up at Dayton or Nearfest.

Thanks!

73 Eugene W2HX