You can look at wikipedia's list of SDRs[1] to see which can do wifi ranges now. I was more thinking about the future because you're right that it's a less common capability at the moment - but if you want a popular hobbiest platform you could check out the HackRF line[2].
[1] https://en.wikipedia.org/wiki/List_of_software-defined_radio...
[2] https://greatscottgadgets.com/hackrf/
[1] https://en.wikipedia.org/wiki/List_of_software-defined_radio...
[2] https://greatscottgadgets.com/hackrf/