QAM Demod blks2_qamx_demod from gnuradio import blks2 blks2.$(type)_demod( samples_per_symbol=$samples_per_symbol, excess_bw=$excess_bw, costas_alpha=$costas_alpha, gain_mu=$gain_mu, mu=$mu, omega_relative_limit=$omega_relative_limit, gray_code=$gray_code, ) Type type enum QAM8 qam8 QAM16 qam16 QAM64 qam64 QAM256 qam256 Samples/Symbol samples_per_symbol 2 int Excess BW excess_bw 0.35 real Costas Alpha costas_alpha 0.175 real Gain Mu gain_mu 0.03 real Mu mu 0.05 real Omega Relative Limit omega_relative_limit 0.005 real Gray Code gray_code True enum Yes True No False in complex out byte