    Sentence I: The new WPAN standard  uses the 2.4-GHz unlicensed frequency  band and specifies raw data rates of  IM, 22M , 33M, 44M and 55Mbit / sec    Sentence 2: The new WPAN standard  uses the 24 GHz unlicensed frequency  band and specifies raw data rates of Il  , 22, 33, 44 and 55Mbit /s .