SaDDo,
National Instruments does currently have RF switches, but they are only available with 1.3GHz or 4GHz bandwidths. They are available in both PXI and SCXI format. You can read about the NI 2591 (4GHz for PXI) at:
http://sine.ni.com/apps/we/nioc.vp?lang=US&pc=mn&cid=3416