Ubiquiti POE Injector U-POE-AF, 802.3af, 48 Volt 0.32A// Manage Your Networks from a Single Control PlaneIntuitive and Robust Configuration, Control and MonitoringRemote Firmware UpgradeUsers and GuestsGuest Portal/Hotspot SupportMicroSDIntroducing the UniFi Cloud Key, a miniaturized marvel of technology.The UniFi Cloud Key is an integrated computer and software controller minus the bulk. It features a quad-core processor with 2 GB RAM, operating the latest version of the UniFi Controller with built-in hybrid cloud technology.