Firstly, I would like to apologize that we were not able to satisfy your question with the initial answer we had provided. We do our very best to provide the excellent support to any of our customer whether they be new or have purchased before. In regards to your question, most of our external devices are discontinued with the exception of MB662US-2S, MB662USEB-2S and MB561US-4S-1 (MB561US-4SB-1).
With that said, here are the bridge controller for each device:
I hope this information will be of use for you. Please feel free to let us know if you have any questions or concerns about this.
Technical Sales & Support