Ubiquiti Networks 48V PoE Adapter with Gigabit LAN POE-48-24W-G
Ubiquiti POE-24-12W Power over Ethernet Adapters 24V 0.5A 12W
Unifi AP POE Injector Issue | Ubiquiti Community
G4 Doorbell Pro PoE Adapter - Looks like it will not work with other devices. The blue (assuming moisture seal) prevents it from be plugged in all the way. Tried a few