Module is available as a DIY project only.
No info about availability.
Control voltage processor
Two reference voltages, three precision voltage adders (hence the name), and three slew rate limiters, with normalling among them. Something of a precursor to the MSK 008 Octave Switch.
https://northcoastsynthesis.com/pages/synth-diy-projects#msk005
2 Users are observing this
These merchants probably sell this module. Huh?