Table 3: Transmission parameters in NB PHY.

Frequency bandPacket componentModulationModulation order (M)Symbol rate ( ksps)Code rate BCH ( )Spreading factor (SF)

402–405 MHzPLCP headerπ/M-DPSK2187.5(31, 19)2
PSDU{2, 2, 4, 8}(63, 51){2, 1, 1, 1}
420–450 MHzPLCP headerGMSK2187.5(31, 19)2
PSDU{(63, 51),  (63, 51), 1}{2, 1, 1}
863–870 MHzPLCP headerπ/M-DPSK2250(31, 19)2
PSDU{2, 2, 4, 8}(63, 51){2, 1, 1, 1}
902–928 MHzPLCP headerπ/M-DPSK2250(31, 19)2
PSDU{2, 2, 4, 8}(63, 51){2, 1, 1, 1}
950–958 MHzPLCP headerπ/M-DPSK2250(31, 19)2
PSDU{2, 2, 4, 8}(63, 51){2, 1, 1, 1}
2360–2400 MHzPLCP headerπ/M-DPSK4600(31, 19)4
PSDU{2, 2, 2, 4}(63, 51){4, 2, 1, 1}
2400–2483.5 MHzPLCP headerπ/M-DPSK2600(31, 19)4
PSDU{2, 2, 2, 4}(63, 51){4, 2, 1, 1}