Model: Pg-9172poe characteristics: G.Hn power line adapter with power over Ethernet (poe) description data and power are as close as the nearest electrical outlet. Comtrend's pg-9172poe is a g.Hn-based power line device with the added benefit of power over Ethernet (poe) connectivity. Using existing electrical wiring and power line technology, you can get data and power connectivity to hard to reach locations without the expensive installation of Ethernet (cat5e/6) cables. Easily add on to or create your g.Hn power line network-connect up to 16 g.Hn power line adapters.