Do you know for sure if the bridging functionality works properly?

If you're talking about the Micro Plus AP, I have never tested in bridge mode. I made a post about this Mitsumi AP a couple weeks back that does bridge with anything. I have one, but I have not yet powered it up. I am determining how to stuff it into a Rio Receiver at the moment.

Here's the thread. There is verification of it bridging with another brand's AP.