please read this firsthttps://forum.opnsense.org/index.php?topic=6886.0then we talk about multiple SSIDs ;-)
i suggest you to us a wlan ap for wifi with OPNsense!
Apart from the current or future support for WiFi hardware, are multiple SSIDs supported in OPNsense today?
Yes, principal it is possible to do multiple ssid with an internal wlan card, too. I do so with an AzureWave AE772 Card (Atheros 9280 Chipset). But the wifi card can work only with 2.4 or 5 Ghz!