Buffalo AirStation Extreme AC1900 Gigabit Dual Band Open Source DD-WRT NXT Wireless Router (WXR-1900DHPD) DD-WRT NXT pre-installed 802.11ac Combined speeds up to 1900 Mbps (AC1300 + N600) Simultaneous Dual Band Gigabit Ethernet High-power Technology VPN Access Open VPN and VLAN support