If that radio version is correct, it is at least a new radio, or one that no one has posted yet.
Try dumping the ROM from your device. I've never done it, but I found some posts on XDA on how to.
Dumping:
http://forum.xda-developers.com/show...58&postcount=6
Converting to .nbh:
http://forum.xda-developers.com/show...5&postcount=23
If you do, and you're feeling generous, upload the results.
Edit: You can also apparently reconstruct the .raw files using a kitchen.