With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cRFStatusRFModeCapsEntry
Cisco RF Status RF Mode Caps Entry
1.3.6.1.4.1.9.9.176.1.1.11.1
An entry containing the device implementation specific terminology associated with the redundancy mode that can be supported on the device.
Back to CISCO-RF-MIB MIB page.
IPHost Network monitor allows you to monitor cRFStatusRFModeCapsEntry 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.