WiFi, I need 2 put wireless devices in a seperate subnet

How do i do this?

I have a microtik router, and a cAP n2 plugged into it.

I have the cAP n2 bridged mode, and i want to make sure they are on a diff subnet, so i need to have the cAP a dhcp server on it’s on subnet.

Any instructions on how to do this please?