What is a PoE Extender - How to extend Power over Ethernet Distances
The Enable-IT 828P 3-Port Gigabit PoE Extender Kit Solution
Amazon.com: Revotech 2 Port POE Extender POE+ Repeater 100 Meters(328 ft) Extender 1 in 2 Out Comply IEEE 802.3af/at Standard 10,100Mbps for Security POE Camera Over Cat5/Cat6 or UTP Cables(POE5003) : Electronics