With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cwrTlClass
Cisco Wireless Tl Class
1.3.6.1.4.1.9.9.136.1.8.2.1.2
This object represents the attribute for which a timline capture is requested. When a timeline is requested, cwrTlNumDataValues worth of data will be captured.
Back to CISCO-WIRELESS-IF-MIB MIB page.
IPHost Network monitor allows you to monitor cwrTlClass 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.