This is the gr-fcd package. It contains a source block for the
FunCube Dongle hardware.

The Python namespace is in gnuradio.qtgui, which would be normally
imported as:

    from gnuradio import fcd

See the Doxygen documentation for details about the blocks available
in this package. A quick listing of the details can be found in Python
after importing by using:

    help(fcd)