Amazon.com: PoE Texas 4 Port 24V Passive PoE Injector with 24V 30W UL/FCC Certified Power Supply - Gigabit Injector - Passive Power Over Ethernet Multi Port PoE Adapter for Ubiquiti, Mikrotik, 24
Ubiquiti Networks POE-24-24W-G PoE Injector, 24W, Black
Ubiquiti PoE Adapter
Amazon.com: Ubiquiti Networks 24-Volt Dc 12W Poe Adapter, Max Surge Discharge 1500A Power - Protects Against ESD Events - Compatible with airGateway, (POE-24-12W) : Electronics