As far as I know, transmitting and receiving Wi-Fi traffic will never be possible using GNUradio, because you cannot meet the maximum 16 microsecond latency for

As far as I know, transmitting and receiving Wi-Fi traffic will never be possible using GNUradio, because you cannot meet the maximum 16 microsecond latency for sending an acknowledgment after you decoded a packet successfully. It's possible with an FPGA-based software-defined radio though: https://github.com/open-sdr/openwifi https://github.com/open-sdr/openwifi