GMSK Modulator for GSM gsm_gmsk_mod from grgsm import gsm_gmsk_mod gsm_gmsk_mod( BT=$BT, pulse_duration=$pulse_duration, sps=$sps, ) set_BT($BT) set_pulse_duration($pulse_duration) set_sps($sps) 3 dB Time-Bandwidth Product BT 4 raw Pulse Duration pulse_duration 4 raw Samples/Symbol sps 4 raw in byte 1 1 out complex 1 1 Piotr Krysik GMSK Modulator for GSM gr-gsm/hier_blocks/transmitter/gsm_gmsk_mod.grc