CBC -Ho 7/8 converter

Hello all, sorry but I only speak English or use Google to translate.

I am in desperate need of a Cramer unit for my 1992 Hobby, can anyone help with a sugested replacment?

Many Thanks,

Vandyke50

Thank you Thomas, I have tried that site often but can not ever log in or get a response from them.

Maybe because Im in Poland and not Germany?

Regards,