Just in case you have doubts trusting a man who has not discovered the razor or electric shaver..................
Pretty much all wifi devices in the MT lineup using RouterOS can do this.
It sounds like you have a definite WAN INPUT in mind and a definite WIFI capability in mind.
A. Can you expand on the number of ISPs you will be attaching, throughput etc, and expectations for that traffic.
B. Assuming all traffic will be wifi, is this traffic going directly to smart devices, smartphones, etc???? How many devices??
Just want to ensure expectations and requirements lineup!
I'd rather manage rats than software. Follow my advice at your own risk! (Sob & mkx forced me to write that!)