48V 0.5A POE Injector Power Over Ethernet (POE) Adapter. 1x 48V 0.5A PoE Injector Power Over Ethernet Adapter. Optional: 10/100Mbs PoE Adapter or 10/100/1000Mbs PoE Adapter. Just plug the network cable(not included) into your network switch and into the "Data In" port, then plug the cable to your device into the "PoE" port with your existing network cable.
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