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