Enter the code for the global operating class of the managed APs. The operating class is used to inform a station about the frequency bands and channels used by an AP. Example: 
      - 81
 - Operation at 2.4 GHz with channels 1-13.
 - 116
 - Operation at 40 MHz with channels 36 and 44.
 
Please refer to the IEEE standard 802.11-2012, Appendix E, Table E-4, for the operating class that corresponds to an AP: Global operating classes, available at standards.ieee.org.
- SNMP ID:
 - 2.37.1.17.3.4
 - Console path:
 - Setup > WLAN-Management > AP-Configuration > IEEE802.11u > Hotspot2.0-Profiles
 - Possible values:
 Max. 32 characters from [A-Z][a-z][0-9]#@{|}~!$%&'()*+-,/:;<=>?[\]^_. `
- Default:
 - empty