sentence1: The new WPAN standard uses the 2.4-GHz unlicensed frequency band and specifies raw data rates of 11M, 22M, 33M, 44M and 55Mbit/sec.
sentence2: The new WPAN standard uses the 2.4 GHz unlicensed frequency band and specifies raw data rates of 11, 22, 33, 44 and 55Mbit/s.