I have the wireless integrated in Mikrotik Routerboard, it means, an Atheros AR5212 wireless card. How can I have MultiSSID in the same wireless card? MultiSSID is a wireless card send several ESSIDs.
You just have to add new interfaces of type “VirtualAP”. Select your (real, physical) wireless interface as master interface, and: voila. Of course, all those VirtualAPs will operate on the same frequency as the master…