NDPS101EX is POE extender with 2 10/100Mbps RJ45 ports, PD port and PSE port. PD port 10/100 BASE T(X) IEEE802.3 at compliant and max power is 25.5W; PSE port 10/100 BASE T(X) IEEE802.3 af compliant and max power 15.4W. POE extender transfers data and supply power by CAT5e/6 UTP cables, the max distance is 100 meters.