With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cwrRfTable
Cisco Wireless Rf Table
1.3.6.1.4.1.9.9.136.1.5.1
This table contains information about the state of the radio frequency resources used by the radio link.
Back to CISCO-WIRELESS-IF-MIB MIB page.
IPHost Network monitor allows you to monitor cwrRfTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.