But rules adopted back in May have not yet taken effect.

The Federal Register has still not published rules on Medical Body Area Networks that the FCC adopted back in May, so there is still no telling when these rules might take effect.  But the Federal Register has published the FCC’s request for additional comment on frequency coordination for these devices.  Those comments are due by September 10, 2012, and reply comments by September 28. For details on the whole MBAN thing, see our post from last May.  And check back here for updates on when the rules become effective.