To create a Wifi network in the Meraki Go solution you will need a Meraki Go access point. You may be able to use the Wifi on the AT&T router (but that will need to be configured on the AT&T router) and pass the traffic from that through the Meraki Go device, but I don't know if that will work - it will depend on the capabilities of the AT&T router, and/or whether you can put the GX20 between the AT&T router and the internet.
... View more