I'm not familiar with the exact meaning or context of "mxbd-200". This could be:

1. A model number or product code for a specific item or device.

2. An abbreviation or acronym used in a particular field or organization.

3. A typo or error in the way something was written.

Could you please provide more context about where you encountered this term or what it might refer to? With additional information, I'd be better able to help explain or research its meaning for you.