GiamMa-based researchers SDR R&D IoT: Hackrf and usrp transceiver ( TX and RX / Receiver and Transmitter) signal software .exe executable #GnuRadio #WindowsOS #Transceiver #HackRF #USRP #GMSK #BPSK #QPSK #8PSK #QAM8 #QAM16 #QAM64