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Amazon.com: PoE Texas 12 Volt PoE+ - IEEE 802.3at - Splitter Splits Power Over Ethernet to 12v DC & Gigabit Data with Opto-Isolation Protection for 12v 25w Devices, Tablets, Single Board Computers,
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TRENDNet TPE-113GI Gigabit Power over Ethernet (PoE) Injector - TremTech Electrical Systems
UTP passive PoE adapter kit, 0.15 m (PP12-POE-0.15M-W)