The SXT ac is a new member in our 802.11ac product lineup, currently two models are available — with regular 28 degree antenna, and the SA model with a 90 wide beam- width sector antenna. Also supports 802.11an mode and is compatible with all legacy RouterBOARD devices, including Nstream and Nv2 protocols. Both devices come with Gigabit Ethernet. New products are backwards compatible- for example, you can replace your 5GHz 802.11an legacy Access Point with new 802.11ac product and your existing customers will still be able to connect to it.