Ubiquiti Networks Edge Router X (ER-X), 5-port Gigabit Layer 2 Managed Router which features 1 passive PoE output passthrough option to power an airMAXdevice. Powered by 24V passive PoE or 12VDC, 0.5A Power Adapter (Included). Dimension 110 x 75 x 22 mm, Dual-Core 880 MHz, MIPS1004Kc CPU, 256 MB DDR3 RAM, 256 MB NAND Storage. EdgeOS operating system with features including VLAN interfaces for network segmentation, Static routes and support of routing protocols: OSPF, RIP, and BGP, Firewall policies and NAT rules, DHCP services, Quality of Service (QoS), Network administration and monitoring tools.