Devices WILL be able to connect to 802.11ac router
With the other device announced, you can connect to the 802.11ac router.
Put the ethernet bridge in another room and hook up a laptop, an AppleTV, an XBox, etc to provide very high speed connectivity for moving HD video around the house wirelessly.
AirStation AC1300 / N450 4-Port Gigabit Dual Band Wireless Ethernet Bridge WLI-H4-D1300, a versatile dual band media bridge that extends the capabilities of wireless networks. Consumers can now connect up to four network-enabled wired devices, such as media players and gaming consoles to their 802.11ac network.