See PoE++ in action. Clinton Electronics PoE++ Injectors deliver up to 90W of power and network data over a single Ethernet cable, making it easy to power high-wattage devices like Public View Monitors and Decoder Monitors—even over 300 feet of Cat6 cable.

CE-PS195 Single-Port PoE++ Injector
https://www.clintonelectronics.com/products/power-supplies/poe/ce-ps195/

CE-PS400POE 4-Port PoE++ Injector
https://www.clintonelectronics.com/products/power-supplies/poe/ce-ps400poe/