[Premium-Rx] Cubic CDR-3280 Digital I & Q output.

[wombat5 at ntlworld.com]

I have a Cubic CDR-3280 with a Quadrature Digital IF output (I&Q). What can this do for me? What can I connect it to? I have the manual and there is no information on this.
                                                                           Kind regards John g3uuf