With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
bsnAPIfPhyAntennaDiversity
bsn AP If Physical Antenna Diversity
1.3.6.1.4.1.14179.2.2.2.1.9
Diversity doesn't apply to AP Radio of type 802.11a. For 802.11b you can set it to connectorA, connectorB or enabled.
Back to AIRESPACE-WIRELESS-MIB MIB page.
IPHost Network monitor allows you to monitor bsnAPIfPhyAntennaDiversity on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.