Full featured RD-900-R with newer 20 pin connectors.
(Over 17 sold)
You're buying the following:
1) One RD-900-R Controller Module with 20 pin connector
2) One Back Connector Board with 20 pin connector
Both are refurbished and fully tested, warranty included.
Our years of repair experience suggests that you should replace both the controller and back connector board. This will ensure all problems have been addressed and you'll enjoy worry free operation for years to come. This is why we sell both together.