- Deliver Power And Data To Four Poe-Powered Devices(Pd)Using This Wall-Mountable Poe+ Midspan Hub - 4-Port Gigabit Power Over Ethernet Midspan - 802.3At And 802.3Af - Wall-Mountable Power Over Ethernet Injector - Delivers More Power With Up To 30W Per Port - Eliminate The Cost And Hassle Of Upgrading Your Existing Ethernet Switch To A Poe-Capable Model - Desktop-Sized Housing With Flexible And Easy Plug-And-Play Operation - Detects Your Poe Pds And Provides The Proper Level Of Power - Poe Plus