With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cd11IfPhyDsssCurrentChannel
Cisco DOT11 Interfaces Phy Dsss Current Channel
1.3.6.1.4.1.9.9.272.1.1.2.5.1.3
The current operating frequency channel of the DSSS PHY, as selected either by selective scanning or via IEEE802dot11-MIB dot11CurrentChannel. Valid channel numbers are defined in the IEEE 802.11 Standard. For North America, 802.11b channels allowed are 1 to 11 and 802.11a channels allowed are 36,40,44,48,52,56, 60, and 64.
Back to CISCO-DOT11-IF-MIB MIB page.
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