Trendnet TPE-E110 Gigabit PoE+ Extender/Amplifier extends the reach of your PoE or PoE+ devices beyond the 100-meter (328-foot) Ethernet cable limit, providing data and power to PoE devices up to 328 feet (100 meters) away. Connect up to four PoE devices in a daisy-chain configuration using the included Gigabit PoE injector, or use an optional 54VDC power supply to connect more than four units.