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 .