Comment by Radio2034

Ah, I see. I have a HackRF and several USRPs, so I'm kinda spoiled in terms of bandwidth and capabilities. You could try combining more than one RTLSDRs into one virtual stream using GNURadio. Check this out: http://www.rtl-sdr.com/combining-the-bandwidth-of-multiple-r... The only catch is that it is not phase coherent, but if you're doing FSK or AM then that's perfectly fine.