Is HiveManager down? I've tried connecting from multiple sites and I get mixed results from various clients we manage. Services show as being up from their site but that's obviously not entirely true.
This can be accomplished at the SSID and policy level. Whenever creating a SSID you can specify which radios to broadcast. Multiple policies can be created with their own various SSIDs and then can be assigned to APs accordingly. The other option, if...
I called and they're aware of the issue, whatever that may be, and are working on it. I also asked why this outage didn't reflect on their service availability and they didn't know. So we wait and see.