It's an outdoor five gigabit ethernet port router with PoE output on four ports. Also supports passive PoE input and passive or 802.3af/at PoE output. It can power 802.3at and af mode B compatible devices, if 48-57 input voltage is used. Ethernet ports 2-5 can power other PoE capable devices with the same voltage as applied to the unit. 128 MB RAM, 16 MB storage size and 800MHz CPU.