With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cwdIfUpChannelFrequency
cwd If Up Channel Frequency
1.3.6.1.4.1.9.9.167.1.1.4.1.3
The center of the upstream frequency associated with this channel. The channel settings determine this value.
Back to CISCO-WIRELESS-DOCS-IF-MIB MIB page.
IPHost Network monitor allows you to monitor cwdIfUpChannelFrequency on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.