The Rumble Stage and Studio amps support routers that transmit on a 2.4 GHz channel.
The WiFi protocols that the Rumble Stage and Studio amps support are b/g/n.
The authentication protocols that the Rumble Stage and Studio amps support are WPA and WPA2 as well as open networks. SSIDs have to be less than 32 characters long.
The Rumble Stage and Studio amps can also connect to a hidden network which meet the above requirements.