Specifically, SDR kits are usually rated as professional and test equipment, which are not certified by the FCC. The OP is about consumer products and other FCC-certified products.
The cheap ones aren't even that. They're repurposed/upcycled television DTV receivers.
And, interestingly, many satellite receivers allow users to just enter a frequency in the supported range and they will happily load and display the data on that frequency.