BV-Tech Single Gigabit Port Power over Ethernet Plus PoE+ Injector &ndash; 30W &ndash; 802.3at &ndash; up to 100 meters (325 Feet) &ndash; 4-Pack 1 PoE Port and 1 Uplink Port at 10/100/1000Mbps each Up to 30W of power over ethernet | IEEE 802.3at (IEEE 802.3af backwards-compatible) / end-span Surface or wall mount, can also be slotted side-by-side with multiple injectors Built-in power supply for all-in-one design (uses standard included grounded AC cord) PD (Power Detection) for non-PoE and low-power devices