Gigabit PoE++ (802.3bt) Dual Signature Injector with 55 Volt 60 Watt O
Power over Ethernet fundamentals - Embedded.com
TP-Link 802.3at/af Gigabit PoE Injector , Non-PoE to PoE Adapter, supplies up to 15.4W, LED Indicator,Plug & Play , Desktop/Wall-Mount ,Distance Up to 100m, Black (TL-PoE150S) : Amazon.co.uk: Computers & Accessories