Nokia A032 User Manual page 82

Parameter
basic_rate
76
Description
Used to set the 802.11 basic rate set (the set of data
transfer rates that all the stations in a BSS will be
capable of using to receive frames from the wireless
medium). In practical terms, multicasts and requests
are restricted to use of the basic rate. The basic rates
are set in kHz. Valid values include 5500 and 11000
Default
1000
2000
Nokia A032 Advanced User Guide