dot11SupportedDataRatesTxValue 1.3.6.1.4.1.171.1.3.4.1.5

The Transmit bit rates supported by the PLCP and PMD, represented by a count from X?2-X?f, corresponding to data rates in increments of 500Kb/s from 1 Mb/s to 63.5 Mb/s subject to limitations of each individual PHY.