The Digitus fast Ethernet repeater, uses the advanced network cable and power technology to extend your 100m Ethernet signal up to 300m. The DN-95122 is self powered by PoE, so there is no additional power supply on the Repeater side needed. This enables you to use the device even where no power lines or outlets are available. You can greatly extend the transmission distance and providing PoE at the same time. It is a perfect, inexpensive and time saving solution for security surveillance and network projects.