With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cd11IfPhyDsssMaxCompatibleRate
Cisco DOT11 Interfaces Phy Dsss Max Compatible Rate
1.3.6.1.4.1.9.9.272.1.1.2.5.1.1
This object specifies the of maximum data rate at which the station may transmit data. The octet contains a value representing a rate. The rate should be within the range from '2' to '127', corresponding to data rates in increments of 500 kb/s from 1 Mb/s to 63.5 Mb/s. It should be one of the rates in the IEEE802dot11-MIB dot11OperationalRateSet. The default value is '127'.
Back to CISCO-DOT11-IF-MIB MIB page.
IPHost Network monitor allows you to monitor cd11IfPhyDsssMaxCompatibleRate on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.