With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cd11IfDataRatesSensitivityTable
Cisco DOT11 Interfaces Data Rates Sensitivity Table
1.3.6.1.4.1.9.9.272.1.1.2.18
This table specifies the receive sensitivity specifications of IEEE 802.11 radio interfaces. This table has an expansion dependent relationship on the ifTable. For each entry in this table, there exists at least an entry in the ifTable of ifType ieee80211(71). This table uses the cd11IfRadioModulationClass and IEEE802dot11-MIB dot11SupportedDataRatesRxIndex as the expansion indices. Entries in this table cannot be created or deleted by the network management system. All entries are created or deleted by the agent.
Back to CISCO-DOT11-IF-MIB MIB page.
IPHost Network monitor allows you to monitor cd11IfDataRatesSensitivityTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.