It supports all the same wifi as any other iOS device, which is to say, yes. What has been a problem with the AppleTV in the enterprise is that Bonjour, which drives AirPlay, has a hard time with spanning subnets. So, as most enterprises would do, having wifi be on a different subnet from Ethernet, which is also how your stationary AppleTV is probabably on the network, makes letting the two devices see each other somewhat of a challenge.