Prefer to communicate through this forum. Sorry.
Not familar with "Wandler" transmission.
Maybe some one else can help withe the meaning of the Boom - T, TX, etc. Sounds like Hinrich-Stabler doesn't care about prospective customers - I'm certain there are other companies that do - keep searching.
This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.