WS-GPOE-12-1U - 12 Port Gigabit Passive Midspan Poe injector - Mode A and B - Power Supply NOT Included 1U rack mount, Shielded RJ45, Mode A or Mode B Power inputs for Versatility Use to power IP Phones, Access Points and IP Cameras that use PoE at 10/100 or gigabit speeds Compatible with Ubiquiti, OpenMesh, Mikrotik, Polycom, Aruba, Yealink, Cisco and more Power Supply NOT included - use with 24, 48, or 56 Volt DC For expert technical support from Austin Texas, please call 512 479 0317