12 port rack-mount passive PoE injector for OM Series access points.

This rack mounted injector (POE12PORT) will power 12 Open Mesh access points trough passive (18V) PoE.

WS-POE-12-48v120w 12 Port Poe Injector - add Power Over Ethernet for 802.3af Cameras, IP Phones, Access Points to Any Switch : : Electronics

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PoE Texas, 24 Port Passive PoE Injector with 48V Oman

Rack Mount gigabit POE 12 Port Power over Ethernet Injector for Mikrotik Ubiquiti with 48v 120w supply - AliExpress

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8 Port RM POE Inj for OM 8-Port Rack Mount 18V POE Inj OM Series - Rfwel Engr E-Store