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Table 3 802.15.4 timings for a data rate of 250 kbps with AWA.

From: Coexistence Mechanism for Colocated HDR/LDR WPANs Air Interfaces

Timings Symbols Duration Size
SFDHDR 1920 30.72 ms 7680 bit
  SADLDR 960 15.36 ms 3840 bit
  Time Slot 60 0.96 ms 240 bit
  Max. CFP 520 8.32 ms 8 slot
Duty Cycle = 50%
SFDHDR 3840 61.44 ms 15360 bit
  SADLDR 960 15.36 ms 3840 bit
  Time Slot 60 0.96 ms 240 bit
  Max. CFP 520 8.32 ms 8 slot
Duty Cycle = 25%
SFDHDR 3840 61.44 ms 15360 bit
  SADLDR 1920 30.72 ms 7680 bit
  Time Slot 120 1.92 ms 480 bit
  Max. CFP 1480 23.68 ms 12 slot
Duty Cycle = 50%