Just to be clear, Wifi network doesn't need to be available. If I remember correctly, initial connection setup is done through Bluetooth, then one device invisi

Just to be clear, Wifi network doesn't need to be available. If I remember correctly, initial connection setup is done through Bluetooth, then one device invisibly sets up an adhoc wifi connection to the other to transfer. The two devices don't have to be attached to a Wifi network. Quite spiffy.